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Finding the Fourth Proportional to 469,278.64, 647,607.72 and 254,422

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Solution

The fourth proportional to 469,278.64, 647,607.72 and 254,422 is: 351,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,278.64 : 647,607.72 = 254,422 : x
  2. Step 2: Convert to fraction form
    469,278.64/647,607.72 = 254,422/x
  3. Step 3: Cross multiply
    469,278.64x = 647,607.72 × 254,422
  4. Step 4: Simplify right side
    469,278.64x = 164,765,651,337.84
  5. Step 5: Solve for x
    x = 164,765,651,337.84/469,278.64
  6. Step 6: Final answer
    x = 351,104.09

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