Home / 397,481.43-596,240.60-127,620.57

Finding the Fourth Proportional to 397,481.43, 596,240.60 and 127,620.57

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Solution

The fourth proportional to 397,481.43, 596,240.60 and 127,620.57 is: 191,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,481.43 : 596,240.60 = 127,620.57 : x
  2. Step 2: Convert to fraction form
    397,481.43/596,240.60 = 127,620.57/x
  3. Step 3: Cross multiply
    397,481.43x = 596,240.60 × 127,620.57
  4. Step 4: Simplify right side
    397,481.43x = 76,092,564,591.04
  5. Step 5: Solve for x
    x = 76,092,564,591.04/397,481.43
  6. Step 6: Final answer
    x = 191,436.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.