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Finding the Fourth Proportional to 437,722.60, 656,583.90 and 385,234.60

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Solution

The fourth proportional to 437,722.60, 656,583.90 and 385,234.60 is: 577,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,722.60 : 656,583.90 = 385,234.60 : x
  2. Step 2: Convert to fraction form
    437,722.60/656,583.90 = 385,234.60/x
  3. Step 3: Cross multiply
    437,722.60x = 656,583.90 × 385,234.60
  4. Step 4: Simplify right side
    437,722.60x = 252,938,836,082.94
  5. Step 5: Solve for x
    x = 252,938,836,082.94/437,722.60
  6. Step 6: Final answer
    x = 577,851.90

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