Home / 485,452.27-669,946.82-270,593.89

Finding the Fourth Proportional to 485,452.27, 669,946.82 and 270,593.89

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Solution

The fourth proportional to 485,452.27, 669,946.82 and 270,593.89 is: 373,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,452.27 : 669,946.82 = 270,593.89 : x
  2. Step 2: Convert to fraction form
    485,452.27/669,946.82 = 270,593.89/x
  3. Step 3: Cross multiply
    485,452.27x = 669,946.82 × 270,593.89
  4. Step 4: Simplify right side
    485,452.27x = 181,283,516,116.93
  5. Step 5: Solve for x
    x = 181,283,516,116.93/485,452.27
  6. Step 6: Final answer
    x = 373,432.21

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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.