Home / 800,507.22-1,198,836.79-457,911.97

Finding the Fourth Proportional to 800,507.22, 1,198,836.79 and 457,911.97

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Solution

The fourth proportional to 800,507.22, 1,198,836.79 and 457,911.97 is: 685,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,507.22 : 1,198,836.79 = 457,911.97 : x
  2. Step 2: Convert to fraction form
    800,507.22/1,198,836.79 = 457,911.97/x
  3. Step 3: Cross multiply
    800,507.22x = 1,198,836.79 × 457,911.97
  4. Step 4: Simplify right side
    800,507.22x = 548,961,716,217.38
  5. Step 5: Solve for x
    x = 548,961,716,217.38/800,507.22
  6. Step 6: Final answer
    x = 685,767.35

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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.