Home / 527,180.03-727,562.15-380,125.86

Finding the Fourth Proportional to 527,180.03, 727,562.15 and 380,125.86

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Solution

The fourth proportional to 527,180.03, 727,562.15 and 380,125.86 is: 524,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,180.03 : 727,562.15 = 380,125.86 : x
  2. Step 2: Convert to fraction form
    527,180.03/727,562.15 = 380,125.86/x
  3. Step 3: Cross multiply
    527,180.03x = 727,562.15 × 380,125.86
  4. Step 4: Simplify right side
    527,180.03x = 276,565,187,972.20
  5. Step 5: Solve for x
    x = 276,565,187,972.20/527,180.03
  6. Step 6: Final answer
    x = 524,612.41

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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.