Help with weighted sum calculation

[gauthamboppana]

Hi all,

I am trying to do the weighted average calculations as below. However, struggling to replicate the calculations.

My tables in the data models.

My power bi report looks like the below. The Target (weighted sum) should be calculated using the weighted man hours spent in each division across the selected locations. Please see the calculation below.

Example calculation of Target Weighted Sum:

Thank you

[JarroVGIT]

Please share your data samples as copiable tables. Never post pictures of tables in your question, because we can't copy that into Power BI.