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Finding the Fourth Proportional to 418,049.28, 576,912.24 and 227,066.40

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Solution

The fourth proportional to 418,049.28, 576,912.24 and 227,066.40 is: 313,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,049.28 : 576,912.24 = 227,066.40 : x
  2. Step 2: Convert to fraction form
    418,049.28/576,912.24 = 227,066.40/x
  3. Step 3: Cross multiply
    418,049.28x = 576,912.24 × 227,066.40
  4. Step 4: Simplify right side
    418,049.28x = 130,997,385,452.74
  5. Step 5: Solve for x
    x = 130,997,385,452.74/418,049.28
  6. Step 6: Final answer
    x = 313,353.93

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