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Finding the Fourth Proportional to 492,912.60, 739,368.90 and 193,402.95

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Solution

The fourth proportional to 492,912.60, 739,368.90 and 193,402.95 is: 290,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,912.60 : 739,368.90 = 193,402.95 : x
  2. Step 2: Convert to fraction form
    492,912.60/739,368.90 = 193,402.95/x
  3. Step 3: Cross multiply
    492,912.60x = 739,368.90 × 193,402.95
  4. Step 4: Simplify right side
    492,912.60x = 142,996,126,398.26
  5. Step 5: Solve for x
    x = 142,996,126,398.26/492,912.60
  6. Step 6: Final answer
    x = 290,104.43

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