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Finding the Fourth Proportional to 469,909.28, 648,320.46 and 265,939.94

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Solution

The fourth proportional to 469,909.28, 648,320.46 and 265,939.94 is: 366,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,909.28 : 648,320.46 = 265,939.94 : x
  2. Step 2: Convert to fraction form
    469,909.28/648,320.46 = 265,939.94/x
  3. Step 3: Cross multiply
    469,909.28x = 648,320.46 × 265,939.94
  4. Step 4: Simplify right side
    469,909.28x = 172,414,304,856.70
  5. Step 5: Solve for x
    x = 172,414,304,856.70/469,909.28
  6. Step 6: Final answer
    x = 366,909.77

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