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Finding the Fourth Proportional to 394,713.47, 544,704.98 and 213,425.36

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Solution

The fourth proportional to 394,713.47, 544,704.98 and 213,425.36 is: 294,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,713.47 : 544,704.98 = 213,425.36 : x
  2. Step 2: Convert to fraction form
    394,713.47/544,704.98 = 213,425.36/x
  3. Step 3: Cross multiply
    394,713.47x = 544,704.98 × 213,425.36
  4. Step 4: Simplify right side
    394,713.47x = 116,253,856,450.29
  5. Step 5: Solve for x
    x = 116,253,856,450.29/394,713.47
  6. Step 6: Final answer
    x = 294,527.21

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