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Finding the Fourth Proportional to 444,638.40, 667,054.80 and 220,106.40

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Solution

The fourth proportional to 444,638.40, 667,054.80 and 220,106.40 is: 330,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,638.40 : 667,054.80 = 220,106.40 : x
  2. Step 2: Convert to fraction form
    444,638.40/667,054.80 = 220,106.40/x
  3. Step 3: Cross multiply
    444,638.40x = 667,054.80 × 220,106.40
  4. Step 4: Simplify right side
    444,638.40x = 146,823,030,630.72
  5. Step 5: Solve for x
    x = 146,823,030,630.72/444,638.40
  6. Step 6: Final answer
    x = 330,207.72

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