Home / 894,120.60-1,338,248.88-488,691.80

Finding the Fourth Proportional to 894,120.60, 1,338,248.88 and 488,691.80

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Solution

The fourth proportional to 894,120.60, 1,338,248.88 and 488,691.80 is: 731,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,120.60 : 1,338,248.88 = 488,691.80 : x
  2. Step 2: Convert to fraction form
    894,120.60/1,338,248.88 = 488,691.80/x
  3. Step 3: Cross multiply
    894,120.60x = 1,338,248.88 × 488,691.80
  4. Step 4: Simplify right side
    894,120.60x = 653,991,254,015.18
  5. Step 5: Solve for x
    x = 653,991,254,015.18/894,120.60
  6. Step 6: Final answer
    x = 731,435.17

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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.