Home / 693,355.28-1,040,136.60-293,997.20

Finding the Fourth Proportional to 693,355.28, 1,040,136.60 and 293,997.20

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Solution

The fourth proportional to 693,355.28, 1,040,136.60 and 293,997.20 is: 441,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,355.28 : 1,040,136.60 = 293,997.20 : x
  2. Step 2: Convert to fraction form
    693,355.28/1,040,136.60 = 293,997.20/x
  3. Step 3: Cross multiply
    693,355.28x = 1,040,136.60 × 293,997.20
  4. Step 4: Simplify right side
    693,355.28x = 305,797,248,017.52
  5. Step 5: Solve for x
    x = 305,797,248,017.52/693,355.28
  6. Step 6: Final answer
    x = 441,039.76

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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.