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Finding the Fourth Proportional to 549,077.72, 822,275.22 and 338,425.88

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Solution

The fourth proportional to 549,077.72, 822,275.22 and 338,425.88 is: 506,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,077.72 : 822,275.22 = 338,425.88 : x
  2. Step 2: Convert to fraction form
    549,077.72/822,275.22 = 338,425.88/x
  3. Step 3: Cross multiply
    549,077.72x = 822,275.22 × 338,425.88
  4. Step 4: Simplify right side
    549,077.72x = 278,279,214,930.69
  5. Step 5: Solve for x
    x = 278,279,214,930.69/549,077.72
  6. Step 6: Final answer
    x = 506,812.07

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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.