Home / 803,499.78-1,204,659.18-383,070.90

Finding the Fourth Proportional to 803,499.78, 1,204,659.18 and 383,070.90

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Solution

The fourth proportional to 803,499.78, 1,204,659.18 and 383,070.90 is: 574,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,499.78 : 1,204,659.18 = 383,070.90 : x
  2. Step 2: Convert to fraction form
    803,499.78/1,204,659.18 = 383,070.90/x
  3. Step 3: Cross multiply
    803,499.78x = 1,204,659.18 × 383,070.90
  4. Step 4: Simplify right side
    803,499.78x = 461,469,876,275.86
  5. Step 5: Solve for x
    x = 461,469,876,275.86/803,499.78
  6. Step 6: Final answer
    x = 574,324.83

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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.