Home / 681,555.99-940,508.88-375,631.43

Finding the Fourth Proportional to 681,555.99, 940,508.88 and 375,631.43

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Solution

The fourth proportional to 681,555.99, 940,508.88 and 375,631.43 is: 518,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,555.99 : 940,508.88 = 375,631.43 : x
  2. Step 2: Convert to fraction form
    681,555.99/940,508.88 = 375,631.43/x
  3. Step 3: Cross multiply
    681,555.99x = 940,508.88 × 375,631.43
  4. Step 4: Simplify right side
    681,555.99x = 353,284,694,109.91
  5. Step 5: Solve for x
    x = 353,284,694,109.91/681,555.99
  6. Step 6: Final answer
    x = 518,350.22

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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.