Home / 681,735.38-940,799.49-379,948.82

Finding the Fourth Proportional to 681,735.38, 940,799.49 and 379,948.82

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Solution

The fourth proportional to 681,735.38, 940,799.49 and 379,948.82 is: 524,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,735.38 : 940,799.49 = 379,948.82 : x
  2. Step 2: Convert to fraction form
    681,735.38/940,799.49 = 379,948.82/x
  3. Step 3: Cross multiply
    681,735.38x = 940,799.49 × 379,948.82
  4. Step 4: Simplify right side
    681,735.38x = 357,455,656,082.10
  5. Step 5: Solve for x
    x = 357,455,656,082.10/681,735.38
  6. Step 6: Final answer
    x = 524,331.97

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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.