Home / 681,481.59-940,451.01-375,569.15

Finding the Fourth Proportional to 681,481.59, 940,451.01 and 375,569.15

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Solution

The fourth proportional to 681,481.59, 940,451.01 and 375,569.15 is: 518,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,481.59 : 940,451.01 = 375,569.15 : x
  2. Step 2: Convert to fraction form
    681,481.59/940,451.01 = 375,569.15/x
  3. Step 3: Cross multiply
    681,481.59x = 940,451.01 × 375,569.15
  4. Step 4: Simplify right side
    681,481.59x = 353,204,387,936.13
  5. Step 5: Solve for x
    x = 353,204,387,936.13/681,481.59
  6. Step 6: Final answer
    x = 518,288.97

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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.