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Finding the Fourth Proportional to 399,964.64, 600,241.72 and 189,601.76

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Solution

The fourth proportional to 399,964.64, 600,241.72 and 189,601.76 is: 284,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,964.64 : 600,241.72 = 189,601.76 : x
  2. Step 2: Convert to fraction form
    399,964.64/600,241.72 = 189,601.76/x
  3. Step 3: Cross multiply
    399,964.64x = 600,241.72 × 189,601.76
  4. Step 4: Simplify right side
    399,964.64x = 113,806,886,537.43
  5. Step 5: Solve for x
    x = 113,806,886,537.43/399,964.64
  6. Step 6: Final answer
    x = 284,542.37

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