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Finding the Fourth Proportional to 542,704.59, 748,957.34 and 300,972.76

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Solution

The fourth proportional to 542,704.59, 748,957.34 and 300,972.76 is: 415,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,704.59 : 748,957.34 = 300,972.76 : x
  2. Step 2: Convert to fraction form
    542,704.59/748,957.34 = 300,972.76/x
  3. Step 3: Cross multiply
    542,704.59x = 748,957.34 × 300,972.76
  4. Step 4: Simplify right side
    542,704.59x = 225,415,754,364.80
  5. Step 5: Solve for x
    x = 225,415,754,364.80/542,704.59
  6. Step 6: Final answer
    x = 415,356.27

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