Finding the Fourth Proportional to 486,129.10, 729,193.65 and 441,805.90
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Solution
The fourth proportional to 486,129.10, 729,193.65 and 441,805.90 is: 662,708.85
Step by Step Solution
- Step 1: Write the proportion equation
486,129.10 : 729,193.65 = 441,805.90 : x - Step 2: Convert to fraction form
486,129.10/729,193.65 = 441,805.90/x - Step 3: Cross multiply
486,129.10x = 729,193.65 × 441,805.90 - Step 4: Simplify right side
486,129.10x = 322,162,056,812.54 - Step 5: Solve for x
x = 322,162,056,812.54/486,129.10 - Step 6: Final answer
x = 662,708.85
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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.