Home / 538,867.28-743,679.24-297,171.92

Finding the Fourth Proportional to 538,867.28, 743,679.24 and 297,171.92

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Solution

The fourth proportional to 538,867.28, 743,679.24 and 297,171.92 is: 410,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,867.28 : 743,679.24 = 297,171.92 : x
  2. Step 2: Convert to fraction form
    538,867.28/743,679.24 = 297,171.92/x
  3. Step 3: Cross multiply
    538,867.28x = 743,679.24 × 297,171.92
  4. Step 4: Simplify right side
    538,867.28x = 221,000,587,614.94
  5. Step 5: Solve for x
    x = 221,000,587,614.94/538,867.28
  6. Step 6: Final answer
    x = 410,120.63

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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.