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Finding the Fourth Proportional to 624,230.27, 861,345.41 and 379,087.55

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Solution

The fourth proportional to 624,230.27, 861,345.41 and 379,087.55 is: 523,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,230.27 : 861,345.41 = 379,087.55 : x
  2. Step 2: Convert to fraction form
    624,230.27/861,345.41 = 379,087.55/x
  3. Step 3: Cross multiply
    624,230.27x = 861,345.41 × 379,087.55
  4. Step 4: Simplify right side
    624,230.27x = 326,525,314,978.48
  5. Step 5: Solve for x
    x = 326,525,314,978.48/624,230.27
  6. Step 6: Final answer
    x = 523,084.72

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