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Finding the Fourth Proportional to 415,912.32, 573,694.85 and 272,681.64

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Solution

The fourth proportional to 415,912.32, 573,694.85 and 272,681.64 is: 376,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,912.32 : 573,694.85 = 272,681.64 : x
  2. Step 2: Convert to fraction form
    415,912.32/573,694.85 = 272,681.64/x
  3. Step 3: Cross multiply
    415,912.32x = 573,694.85 × 272,681.64
  4. Step 4: Simplify right side
    415,912.32x = 156,436,053,239.26
  5. Step 5: Solve for x
    x = 156,436,053,239.26/415,912.32
  6. Step 6: Final answer
    x = 376,127.48

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