Home / 799,674.56-1,199,721.92-287,391.42

Finding the Fourth Proportional to 799,674.56, 1,199,721.92 and 287,391.42

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Solution

The fourth proportional to 799,674.56, 1,199,721.92 and 287,391.42 is: 431,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,674.56 : 1,199,721.92 = 287,391.42 : x
  2. Step 2: Convert to fraction form
    799,674.56/1,199,721.92 = 287,391.42/x
  3. Step 3: Cross multiply
    799,674.56x = 1,199,721.92 × 287,391.42
  4. Step 4: Simplify right side
    799,674.56x = 344,789,784,756.97
  5. Step 5: Solve for x
    x = 344,789,784,756.97/799,674.56
  6. Step 6: Final answer
    x = 431,162.63

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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.