Home / 799,680.43-1,199,730.96-287,397.32

Finding the Fourth Proportional to 799,680.43, 1,199,730.96 and 287,397.32

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Solution

The fourth proportional to 799,680.43, 1,199,730.96 and 287,397.32 is: 431,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,680.43 : 1,199,730.96 = 287,397.32 : x
  2. Step 2: Convert to fraction form
    799,680.43/1,199,730.96 = 287,397.32/x
  3. Step 3: Cross multiply
    799,680.43x = 1,199,730.96 × 287,397.32
  4. Step 4: Simplify right side
    799,680.43x = 344,799,456,626.37
  5. Step 5: Solve for x
    x = 344,799,456,626.37/799,680.43
  6. Step 6: Final answer
    x = 431,171.56

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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.