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Finding the Fourth Proportional to 638,167.37, 880,671.15 and 347,779.04

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Solution

The fourth proportional to 638,167.37, 880,671.15 and 347,779.04 is: 479,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,167.37 : 880,671.15 = 347,779.04 : x
  2. Step 2: Convert to fraction form
    638,167.37/880,671.15 = 347,779.04/x
  3. Step 3: Cross multiply
    638,167.37x = 880,671.15 × 347,779.04
  4. Step 4: Simplify right side
    638,167.37x = 306,278,962,699.34
  5. Step 5: Solve for x
    x = 306,278,962,699.34/638,167.37
  6. Step 6: Final answer
    x = 479,935.17

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