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Finding the Fourth Proportional to 426,202.48, 639,414.44 and 350,425.92

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Solution

The fourth proportional to 426,202.48, 639,414.44 and 350,425.92 is: 525,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,202.48 : 639,414.44 = 350,425.92 : x
  2. Step 2: Convert to fraction form
    426,202.48/639,414.44 = 350,425.92/x
  3. Step 3: Cross multiply
    426,202.48x = 639,414.44 × 350,425.92
  4. Step 4: Simplify right side
    426,202.48x = 224,067,393,398.29
  5. Step 5: Solve for x
    x = 224,067,393,398.29/426,202.48
  6. Step 6: Final answer
    x = 525,729.91

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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.