Finding the Fourth Proportional to 743,414.92, 1,025,917.50 and 403,883.08
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Solution
The fourth proportional to 743,414.92, 1,025,917.50 and 403,883.08 is: 557,361.32
Step by Step Solution
- Step 1: Write the proportion equation
743,414.92 : 1,025,917.50 = 403,883.08 : x - Step 2: Convert to fraction form
743,414.92/1,025,917.50 = 403,883.08/x - Step 3: Cross multiply
743,414.92x = 1,025,917.50 × 403,883.08 - Step 4: Simplify right side
743,414.92x = 414,350,719,725.90 - Step 5: Solve for x
x = 414,350,719,725.90/743,414.92 - Step 6: Final answer
x = 557,361.32
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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.