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Finding the Fourth Proportional to 444,639.40, 667,056.30 and 220,107.40

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Solution

The fourth proportional to 444,639.40, 667,056.30 and 220,107.40 is: 330,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,639.40 : 667,056.30 = 220,107.40 : x
  2. Step 2: Convert to fraction form
    444,639.40/667,056.30 = 220,107.40/x
  3. Step 3: Cross multiply
    444,639.40x = 667,056.30 × 220,107.40
  4. Step 4: Simplify right side
    444,639.40x = 146,824,027,846.62
  5. Step 5: Solve for x
    x = 146,824,027,846.62/444,639.40
  6. Step 6: Final answer
    x = 330,209.22

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