Finding the Fourth Proportional to 516,925.18, 775,285.56 and 491,291.84
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Solution
The fourth proportional to 516,925.18, 775,285.56 and 491,291.84 is: 736,840.62
Step by Step Solution
- Step 1: Write the proportion equation
516,925.18 : 775,285.56 = 491,291.84 : x - Step 2: Convert to fraction form
516,925.18/775,285.56 = 491,291.84/x - Step 3: Cross multiply
516,925.18x = 775,285.56 × 491,291.84 - Step 4: Simplify right side
516,925.18x = 380,891,469,297.83 - Step 5: Solve for x
x = 380,891,469,297.83/516,925.18 - Step 6: Final answer
x = 736,840.62
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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.