Home / 527,441.13-727,872.30-285,723.72

Finding the Fourth Proportional to 527,441.13, 727,872.30 and 285,723.72

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Solution

The fourth proportional to 527,441.13, 727,872.30 and 285,723.72 is: 394,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,441.13 : 727,872.30 = 285,723.72 : x
  2. Step 2: Convert to fraction form
    527,441.13/727,872.30 = 285,723.72/x
  3. Step 3: Cross multiply
    527,441.13x = 727,872.30 × 285,723.72
  4. Step 4: Simplify right side
    527,441.13x = 207,970,381,240.96
  5. Step 5: Solve for x
    x = 207,970,381,240.96/527,441.13
  6. Step 6: Final answer
    x = 394,300.65

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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.