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Finding the Fourth Proportional to 521,559.91, 782,339.87 and 284,773.42

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Solution

The fourth proportional to 521,559.91, 782,339.87 and 284,773.42 is: 427,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,559.91 : 782,339.87 = 284,773.42 : x
  2. Step 2: Convert to fraction form
    521,559.91/782,339.87 = 284,773.42/x
  3. Step 3: Cross multiply
    521,559.91x = 782,339.87 × 284,773.42
  4. Step 4: Simplify right side
    521,559.91x = 222,789,600,470.26
  5. Step 5: Solve for x
    x = 222,789,600,470.26/521,559.91
  6. Step 6: Final answer
    x = 427,160.13

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Similar ratio
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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.