Home / 527,315.46-727,691.70-285,592.50

Finding the Fourth Proportional to 527,315.46, 727,691.70 and 285,592.50

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Solution

The fourth proportional to 527,315.46, 727,691.70 and 285,592.50 is: 394,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,315.46 : 727,691.70 = 285,592.50 : x
  2. Step 2: Convert to fraction form
    527,315.46/727,691.70 = 285,592.50/x
  3. Step 3: Cross multiply
    527,315.46x = 727,691.70 × 285,592.50
  4. Step 4: Simplify right side
    527,315.46x = 207,823,291,832.25
  5. Step 5: Solve for x
    x = 207,823,291,832.25/527,315.46
  6. Step 6: Final answer
    x = 394,115.68

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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.