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Finding the Fourth Proportional to 482,915.80, 724,892.10 and 272,963.80

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Solution

The fourth proportional to 482,915.80, 724,892.10 and 272,963.80 is: 409,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,915.80 : 724,892.10 = 272,963.80 : x
  2. Step 2: Convert to fraction form
    482,915.80/724,892.10 = 272,963.80/x
  3. Step 3: Cross multiply
    482,915.80x = 724,892.10 × 272,963.80
  4. Step 4: Simplify right side
    482,915.80x = 197,869,302,205.98
  5. Step 5: Solve for x
    x = 197,869,302,205.98/482,915.80
  6. Step 6: Final answer
    x = 409,738.72

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