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Finding the Fourth Proportional to 466,431.80, 699,129.30 and 256,220.60

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Solution

The fourth proportional to 466,431.80, 699,129.30 and 256,220.60 is: 384,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,431.80 : 699,129.30 = 256,220.60 : x
  2. Step 2: Convert to fraction form
    466,431.80/699,129.30 = 256,220.60/x
  3. Step 3: Cross multiply
    466,431.80x = 699,129.30 × 256,220.60
  4. Step 4: Simplify right side
    466,431.80x = 179,131,328,723.58
  5. Step 5: Solve for x
    x = 179,131,328,723.58/466,431.80
  6. Step 6: Final answer
    x = 384,046.13

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