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Finding the Fourth Proportional to 444,805.20, 667,207.80 and 395,816.40

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Solution

The fourth proportional to 444,805.20, 667,207.80 and 395,816.40 is: 593,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,805.20 : 667,207.80 = 395,816.40 : x
  2. Step 2: Convert to fraction form
    444,805.20/667,207.80 = 395,816.40/x
  3. Step 3: Cross multiply
    444,805.20x = 667,207.80 × 395,816.40
  4. Step 4: Simplify right side
    444,805.20x = 264,091,789,447.92
  5. Step 5: Solve for x
    x = 264,091,789,447.92/444,805.20
  6. Step 6: Final answer
    x = 593,724.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.