Home / 538,503.28-743,104.26-296,785.12

Finding the Fourth Proportional to 538,503.28, 743,104.26 and 296,785.12

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Solution

The fourth proportional to 538,503.28, 743,104.26 and 296,785.12 is: 409,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,503.28 : 743,104.26 = 296,785.12 : x
  2. Step 2: Convert to fraction form
    538,503.28/743,104.26 = 296,785.12/x
  3. Step 3: Cross multiply
    538,503.28x = 743,104.26 × 296,785.12
  4. Step 4: Simplify right side
    538,503.28x = 220,542,286,976.61
  5. Step 5: Solve for x
    x = 220,542,286,976.61/538,503.28
  6. Step 6: Final answer
    x = 409,546.78

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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.