Home / 894,122.60-1,338,251.88-488,693.80

Finding the Fourth Proportional to 894,122.60, 1,338,251.88 and 488,693.80

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Solution

The fourth proportional to 894,122.60, 1,338,251.88 and 488,693.80 is: 731,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,122.60 : 1,338,251.88 = 488,693.80 : x
  2. Step 2: Convert to fraction form
    894,122.60/1,338,251.88 = 488,693.80/x
  3. Step 3: Cross multiply
    894,122.60x = 1,338,251.88 × 488,693.80
  4. Step 4: Simplify right side
    894,122.60x = 653,995,396,594.34
  5. Step 5: Solve for x
    x = 653,995,396,594.34/894,122.60
  6. Step 6: Final answer
    x = 731,438.17

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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.