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Finding the Fourth Proportional to 444,865.20, 666,980.82 and 208,078.80

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Solution

The fourth proportional to 444,865.20, 666,980.82 and 208,078.80 is: 311,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,865.20 : 666,980.82 = 208,078.80 : x
  2. Step 2: Convert to fraction form
    444,865.20/666,980.82 = 208,078.80/x
  3. Step 3: Cross multiply
    444,865.20x = 666,980.82 × 208,078.80
  4. Step 4: Simplify right side
    444,865.20x = 138,784,568,648.62
  5. Step 5: Solve for x
    x = 138,784,568,648.62/444,865.20
  6. Step 6: Final answer
    x = 311,969.94

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