Home / 787,517.40-1,182,150.90-488,335.80

Finding the Fourth Proportional to 787,517.40, 1,182,150.90 and 488,335.80

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Solution

The fourth proportional to 787,517.40, 1,182,150.90 and 488,335.80 is: 733,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,517.40 : 1,182,150.90 = 488,335.80 : x
  2. Step 2: Convert to fraction form
    787,517.40/1,182,150.90 = 488,335.80/x
  3. Step 3: Cross multiply
    787,517.40x = 1,182,150.90 × 488,335.80
  4. Step 4: Simplify right side
    787,517.40x = 577,286,605,472.22
  5. Step 5: Solve for x
    x = 577,286,605,472.22/787,517.40
  6. Step 6: Final answer
    x = 733,046.16

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Double scale
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1.5x scale

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.