Home / 951,335.20-1,427,002.80-390,080.80

Finding the Fourth Proportional to 951,335.20, 1,427,002.80 and 390,080.80

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Solution

The fourth proportional to 951,335.20, 1,427,002.80 and 390,080.80 is: 585,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,335.20 : 1,427,002.80 = 390,080.80 : x
  2. Step 2: Convert to fraction form
    951,335.20/1,427,002.80 = 390,080.80/x
  3. Step 3: Cross multiply
    951,335.20x = 1,427,002.80 × 390,080.80
  4. Step 4: Simplify right side
    951,335.20x = 556,646,393,826.24
  5. Step 5: Solve for x
    x = 556,646,393,826.24/951,335.20
  6. Step 6: Final answer
    x = 585,121.20

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Similar ratio
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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.