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Finding the Fourth Proportional to 475,857.31, 656,840.12 and 425,411.94

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Solution

The fourth proportional to 475,857.31, 656,840.12 and 425,411.94 is: 587,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,857.31 : 656,840.12 = 425,411.94 : x
  2. Step 2: Convert to fraction form
    475,857.31/656,840.12 = 425,411.94/x
  3. Step 3: Cross multiply
    475,857.31x = 656,840.12 × 425,411.94
  4. Step 4: Simplify right side
    475,857.31x = 279,427,629,719.03
  5. Step 5: Solve for x
    x = 279,427,629,719.03/475,857.31
  6. Step 6: Final answer
    x = 587,208.86

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