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Finding the Fourth Proportional to 447,233.20, 669,100.20 and 289,769.20

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Solution

The fourth proportional to 447,233.20, 669,100.20 and 289,769.20 is: 433,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,233.20 : 669,100.20 = 289,769.20 : x
  2. Step 2: Convert to fraction form
    447,233.20/669,100.20 = 289,769.20/x
  3. Step 3: Cross multiply
    447,233.20x = 669,100.20 × 289,769.20
  4. Step 4: Simplify right side
    447,233.20x = 193,884,629,673.84
  5. Step 5: Solve for x
    x = 193,884,629,673.84/447,233.20
  6. Step 6: Final answer
    x = 433,520.21

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