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Finding the Fourth Proportional to 469,324.62, 647,757.27 and 278,443.26

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Solution

The fourth proportional to 469,324.62, 647,757.27 and 278,443.26 is: 384,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,324.62 : 647,757.27 = 278,443.26 : x
  2. Step 2: Convert to fraction form
    469,324.62/647,757.27 = 278,443.26/x
  3. Step 3: Cross multiply
    469,324.62x = 647,757.27 × 278,443.26
  4. Step 4: Simplify right side
    469,324.62x = 180,363,645,947.50
  5. Step 5: Solve for x
    x = 180,363,645,947.50/469,324.62
  6. Step 6: Final answer
    x = 384,304.68

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