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Finding the Fourth Proportional to 400,614.34, 552,847.92 and 219,337.78

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Solution

The fourth proportional to 400,614.34, 552,847.92 and 219,337.78 is: 302,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,614.34 : 552,847.92 = 219,337.78 : x
  2. Step 2: Convert to fraction form
    400,614.34/552,847.92 = 219,337.78/x
  3. Step 3: Cross multiply
    400,614.34x = 552,847.92 × 219,337.78
  4. Step 4: Simplify right side
    400,614.34x = 121,260,435,450.42
  5. Step 5: Solve for x
    x = 121,260,435,450.42/400,614.34
  6. Step 6: Final answer
    x = 302,686.21

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