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Finding the Fourth Proportional to 661,652.80, 991,823.10 and 306,046.60

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Solution

The fourth proportional to 661,652.80, 991,823.10 and 306,046.60 is: 458,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,652.80 : 991,823.10 = 306,046.60 : x
  2. Step 2: Convert to fraction form
    661,652.80/991,823.10 = 306,046.60/x
  3. Step 3: Cross multiply
    661,652.80x = 991,823.10 × 306,046.60
  4. Step 4: Simplify right side
    661,652.80x = 303,544,087,556.46
  5. Step 5: Solve for x
    x = 303,544,087,556.46/661,652.80
  6. Step 6: Final answer
    x = 458,766.42

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