Home / 672,180.54-1,008,691.14-272,821.26

Finding the Fourth Proportional to 672,180.54, 1,008,691.14 and 272,821.26

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Solution

The fourth proportional to 672,180.54, 1,008,691.14 and 272,821.26 is: 409,402.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,180.54 : 1,008,691.14 = 272,821.26 : x
  2. Step 2: Convert to fraction form
    672,180.54/1,008,691.14 = 272,821.26/x
  3. Step 3: Cross multiply
    672,180.54x = 1,008,691.14 × 272,821.26
  4. Step 4: Simplify right side
    672,180.54x = 275,192,387,765.64
  5. Step 5: Solve for x
    x = 275,192,387,765.64/672,180.54
  6. Step 6: Final answer
    x = 409,402.49

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Double scale
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1.5x scale

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.