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Finding the Fourth Proportional to 527,000.88, 727,079.48 and 297,529.52

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Solution

The fourth proportional to 527,000.88, 727,079.48 and 297,529.52 is: 410,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,000.88 : 727,079.48 = 297,529.52 : x
  2. Step 2: Convert to fraction form
    527,000.88/727,079.48 = 297,529.52/x
  3. Step 3: Cross multiply
    527,000.88x = 727,079.48 × 297,529.52
  4. Step 4: Simplify right side
    527,000.88x = 216,327,608,686.25
  5. Step 5: Solve for x
    x = 216,327,608,686.25/527,000.88
  6. Step 6: Final answer
    x = 410,488.14

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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.