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Finding the Fourth Proportional to 639,791.80, 960,033.30 and 265,852.60

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Solution

The fourth proportional to 639,791.80, 960,033.30 and 265,852.60 is: 398,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,791.80 : 960,033.30 = 265,852.60 : x
  2. Step 2: Convert to fraction form
    639,791.80/960,033.30 = 265,852.60/x
  3. Step 3: Cross multiply
    639,791.80x = 960,033.30 × 265,852.60
  4. Step 4: Simplify right side
    639,791.80x = 255,227,348,891.58
  5. Step 5: Solve for x
    x = 255,227,348,891.58/639,791.80
  6. Step 6: Final answer
    x = 398,922.51

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