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Finding the Fourth Proportional to 681,193.44, 940,076.16 and 379,387.44

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Solution

The fourth proportional to 681,193.44, 940,076.16 and 379,387.44 is: 523,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,193.44 : 940,076.16 = 379,387.44 : x
  2. Step 2: Convert to fraction form
    681,193.44/940,076.16 = 379,387.44/x
  3. Step 3: Cross multiply
    681,193.44x = 940,076.16 × 379,387.44
  4. Step 4: Simplify right side
    681,193.44x = 356,653,087,747.43
  5. Step 5: Solve for x
    x = 356,653,087,747.43/681,193.44
  6. Step 6: Final answer
    x = 523,570.94

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