Finding the Fourth Proportional to 465,760.70, 698,641.05 and 406,711.70
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Solution
The fourth proportional to 465,760.70, 698,641.05 and 406,711.70 is: 610,067.55
Step by Step Solution
- Step 1: Write the proportion equation
465,760.70 : 698,641.05 = 406,711.70 : x - Step 2: Convert to fraction form
465,760.70/698,641.05 = 406,711.70/x - Step 3: Cross multiply
465,760.70x = 698,641.05 × 406,711.70 - Step 4: Simplify right side
465,760.70x = 284,145,489,135.29 - Step 5: Solve for x
x = 284,145,489,135.29/465,760.70 - Step 6: Final answer
x = 610,067.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.