Home / 888,128.57-1,225,616.56-480,229.44

Finding the Fourth Proportional to 888,128.57, 1,225,616.56 and 480,229.44

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Solution

The fourth proportional to 888,128.57, 1,225,616.56 and 480,229.44 is: 662,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,128.57 : 1,225,616.56 = 480,229.44 : x
  2. Step 2: Convert to fraction form
    888,128.57/1,225,616.56 = 480,229.44/x
  3. Step 3: Cross multiply
    888,128.57x = 1,225,616.56 × 480,229.44
  4. Step 4: Simplify right side
    888,128.57x = 588,577,148,135.44
  5. Step 5: Solve for x
    x = 588,577,148,135.44/888,128.57
  6. Step 6: Final answer
    x = 662,716.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.