Home / 693,631.20-1,040,446.80-444,799.20

Finding the Fourth Proportional to 693,631.20, 1,040,446.80 and 444,799.20

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Solution

The fourth proportional to 693,631.20, 1,040,446.80 and 444,799.20 is: 667,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,631.20 : 1,040,446.80 = 444,799.20 : x
  2. Step 2: Convert to fraction form
    693,631.20/1,040,446.80 = 444,799.20/x
  3. Step 3: Cross multiply
    693,631.20x = 1,040,446.80 × 444,799.20
  4. Step 4: Simplify right side
    693,631.20x = 462,789,904,282.56
  5. Step 5: Solve for x
    x = 462,789,904,282.56/693,631.20
  6. Step 6: Final answer
    x = 667,198.80

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1.5x scale

Why These Related Problems?

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