Home / 862,046.60-1,293,365.30-329,719.86

Finding the Fourth Proportional to 862,046.60, 1,293,365.30 and 329,719.86

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Solution

The fourth proportional to 862,046.60, 1,293,365.30 and 329,719.86 is: 494,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,046.60 : 1,293,365.30 = 329,719.86 : x
  2. Step 2: Convert to fraction form
    862,046.60/1,293,365.30 = 329,719.86/x
  3. Step 3: Cross multiply
    862,046.60x = 1,293,365.30 × 329,719.86
  4. Step 4: Simplify right side
    862,046.60x = 426,448,223,996.26
  5. Step 5: Solve for x
    x = 426,448,223,996.26/862,046.60
  6. Step 6: Final answer
    x = 494,692.78

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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.