Home / 705,039.03-1,057,449.20-231,721.20

Finding the Fourth Proportional to 705,039.03, 1,057,449.20 and 231,721.20

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Solution

The fourth proportional to 705,039.03, 1,057,449.20 and 231,721.20 is: 347,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,039.03 : 1,057,449.20 = 231,721.20 : x
  2. Step 2: Convert to fraction form
    705,039.03/1,057,449.20 = 231,721.20/x
  3. Step 3: Cross multiply
    705,039.03x = 1,057,449.20 × 231,721.20
  4. Step 4: Simplify right side
    705,039.03x = 245,033,396,404.43
  5. Step 5: Solve for x
    x = 245,033,396,404.43/705,039.03
  6. Step 6: Final answer
    x = 347,545.86

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1.5x scale

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.