Home / 681,830.44-940,932.30-375,917.62

Finding the Fourth Proportional to 681,830.44, 940,932.30 and 375,917.62

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Solution

The fourth proportional to 681,830.44, 940,932.30 and 375,917.62 is: 518,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,830.44 : 940,932.30 = 375,917.62 : x
  2. Step 2: Convert to fraction form
    681,830.44/940,932.30 = 375,917.62/x
  3. Step 3: Cross multiply
    681,830.44x = 940,932.30 × 375,917.62
  4. Step 4: Simplify right side
    681,830.44x = 353,713,030,797.13
  5. Step 5: Solve for x
    x = 353,713,030,797.13/681,830.44
  6. Step 6: Final answer
    x = 518,769.79

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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.