Home / 527,211.43-727,552.48-285,494.40

Finding the Fourth Proportional to 527,211.43, 727,552.48 and 285,494.40

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Solution

The fourth proportional to 527,211.43, 727,552.48 and 285,494.40 is: 393,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,211.43 : 727,552.48 = 285,494.40 : x
  2. Step 2: Convert to fraction form
    527,211.43/727,552.48 = 285,494.40/x
  3. Step 3: Cross multiply
    527,211.43x = 727,552.48 × 285,494.40
  4. Step 4: Simplify right side
    527,211.43x = 207,712,156,521.44
  5. Step 5: Solve for x
    x = 207,712,156,521.44/527,211.43
  6. Step 6: Final answer
    x = 393,982.65

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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.