Home / 928,001.20-1,392,001.80-484,711.60

Finding the Fourth Proportional to 928,001.20, 1,392,001.80 and 484,711.60

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Solution

The fourth proportional to 928,001.20, 1,392,001.80 and 484,711.60 is: 727,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,001.20 : 1,392,001.80 = 484,711.60 : x
  2. Step 2: Convert to fraction form
    928,001.20/1,392,001.80 = 484,711.60/x
  3. Step 3: Cross multiply
    928,001.20x = 1,392,001.80 × 484,711.60
  4. Step 4: Simplify right side
    928,001.20x = 674,719,419,680.88
  5. Step 5: Solve for x
    x = 674,719,419,680.88/928,001.20
  6. Step 6: Final answer
    x = 727,067.40

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Similar ratio
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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.