Home / 527,310.10-727,687.72-285,592.69

Finding the Fourth Proportional to 527,310.10, 727,687.72 and 285,592.69

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Solution

The fourth proportional to 527,310.10, 727,687.72 and 285,592.69 is: 394,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,310.10 : 727,687.72 = 285,592.69 : x
  2. Step 2: Convert to fraction form
    527,310.10/727,687.72 = 285,592.69/x
  3. Step 3: Cross multiply
    527,310.10x = 727,687.72 × 285,592.69
  4. Step 4: Simplify right side
    527,310.10x = 207,822,289,001.67
  5. Step 5: Solve for x
    x = 207,822,289,001.67/527,310.10
  6. Step 6: Final answer
    x = 394,117.78

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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.