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Finding the Fourth Proportional to 527,001.88, 727,080.86 and 297,530.52

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Solution

The fourth proportional to 527,001.88, 727,080.86 and 297,530.52 is: 410,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,001.88 : 727,080.86 = 297,530.52 : x
  2. Step 2: Convert to fraction form
    527,001.88/727,080.86 = 297,530.52/x
  3. Step 3: Cross multiply
    527,001.88x = 727,080.86 × 297,530.52
  4. Step 4: Simplify right side
    527,001.88x = 216,328,746,357.85
  5. Step 5: Solve for x
    x = 216,328,746,357.85/527,001.88
  6. Step 6: Final answer
    x = 410,489.52

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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.