Finding the Fourth Proportional to 822,785.66, 1,135,549.36 and 460,229.66
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Solution
The fourth proportional to 822,785.66, 1,135,549.36 and 460,229.66 is: 635,175.75
Step by Step Solution
- Step 1: Write the proportion equation
822,785.66 : 1,135,549.36 = 460,229.66 : x - Step 2: Convert to fraction form
822,785.66/1,135,549.36 = 460,229.66/x - Step 3: Cross multiply
822,785.66x = 1,135,549.36 × 460,229.66 - Step 4: Simplify right side
822,785.66x = 522,613,495,866.02 - Step 5: Solve for x
x = 522,613,495,866.02/822,785.66 - Step 6: Final answer
x = 635,175.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.