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Finding the Fourth Proportional to 444,919.20, 667,378.80 and 360,938.40

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Solution

The fourth proportional to 444,919.20, 667,378.80 and 360,938.40 is: 541,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,919.20 : 667,378.80 = 360,938.40 : x
  2. Step 2: Convert to fraction form
    444,919.20/667,378.80 = 360,938.40/x
  3. Step 3: Cross multiply
    444,919.20x = 667,378.80 × 360,938.40
  4. Step 4: Simplify right side
    444,919.20x = 240,882,636,265.92
  5. Step 5: Solve for x
    x = 240,882,636,265.92/444,919.20
  6. Step 6: Final answer
    x = 541,407.60

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