Home / 693,614.40-1,040,205.60-273,019.20

Finding the Fourth Proportional to 693,614.40, 1,040,205.60 and 273,019.20

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Solution

The fourth proportional to 693,614.40, 1,040,205.60 and 273,019.20 is: 409,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,614.40 : 1,040,205.60 = 273,019.20 : x
  2. Step 2: Convert to fraction form
    693,614.40/1,040,205.60 = 273,019.20/x
  3. Step 3: Cross multiply
    693,614.40x = 1,040,205.60 × 273,019.20
  4. Step 4: Simplify right side
    693,614.40x = 283,996,100,747.52
  5. Step 5: Solve for x
    x = 283,996,100,747.52/693,614.40
  6. Step 6: Final answer
    x = 409,443.78

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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.