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Finding the Fourth Proportional to 629,765.20, 869,049.84 and 343,279.12

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Solution

The fourth proportional to 629,765.20, 869,049.84 and 343,279.12 is: 473,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,765.20 : 869,049.84 = 343,279.12 : x
  2. Step 2: Convert to fraction form
    629,765.20/869,049.84 = 343,279.12/x
  3. Step 3: Cross multiply
    629,765.20x = 869,049.84 × 343,279.12
  4. Step 4: Simplify right side
    629,765.20x = 298,326,664,311.34
  5. Step 5: Solve for x
    x = 298,326,664,311.34/629,765.20
  6. Step 6: Final answer
    x = 473,710.94

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