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Finding the Fourth Proportional to 440,462.80, 660,694.20 and 366,979.60

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Solution

The fourth proportional to 440,462.80, 660,694.20 and 366,979.60 is: 550,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,462.80 : 660,694.20 = 366,979.60 : x
  2. Step 2: Convert to fraction form
    440,462.80/660,694.20 = 366,979.60/x
  3. Step 3: Cross multiply
    440,462.80x = 660,694.20 × 366,979.60
  4. Step 4: Simplify right side
    440,462.80x = 242,461,293,238.32
  5. Step 5: Solve for x
    x = 242,461,293,238.32/440,462.80
  6. Step 6: Final answer
    x = 550,469.40

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