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Finding the Fourth Proportional to 422,340.09, 633,504.84 and 102,494.61

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Solution

The fourth proportional to 422,340.09, 633,504.84 and 102,494.61 is: 153,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,340.09 : 633,504.84 = 102,494.61 : x
  2. Step 2: Convert to fraction form
    422,340.09/633,504.84 = 102,494.61/x
  3. Step 3: Cross multiply
    422,340.09x = 633,504.84 × 102,494.61
  4. Step 4: Simplify right side
    422,340.09x = 64,930,831,508.91
  5. Step 5: Solve for x
    x = 64,930,831,508.91/422,340.09
  6. Step 6: Final answer
    x = 153,740.63

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