Home / 502,219.38-693,067.78-272,781.15

Finding the Fourth Proportional to 502,219.38, 693,067.78 and 272,781.15

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Solution

The fourth proportional to 502,219.38, 693,067.78 and 272,781.15 is: 376,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,219.38 : 693,067.78 = 272,781.15 : x
  2. Step 2: Convert to fraction form
    502,219.38/693,067.78 = 272,781.15/x
  3. Step 3: Cross multiply
    502,219.38x = 693,067.78 × 272,781.15
  4. Step 4: Simplify right side
    502,219.38x = 189,055,824,556.64
  5. Step 5: Solve for x
    x = 189,055,824,556.64/502,219.38
  6. Step 6: Final answer
    x = 376,440.72

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1.5x scale

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.