Home / 487,034.73-672,106.17-272,174.76

Finding the Fourth Proportional to 487,034.73, 672,106.17 and 272,174.76

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Solution

The fourth proportional to 487,034.73, 672,106.17 and 272,174.76 is: 375,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,034.73 : 672,106.17 = 272,174.76 : x
  2. Step 2: Convert to fraction form
    487,034.73/672,106.17 = 272,174.76/x
  3. Step 3: Cross multiply
    487,034.73x = 672,106.17 × 272,174.76
  4. Step 4: Simplify right side
    487,034.73x = 182,930,335,514.27
  5. Step 5: Solve for x
    x = 182,930,335,514.27/487,034.73
  6. Step 6: Final answer
    x = 375,600.19

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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.