Home / 681,358.92-1,022,162.28-281,782.68

Finding the Fourth Proportional to 681,358.92, 1,022,162.28 and 281,782.68

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Solution

The fourth proportional to 681,358.92, 1,022,162.28 and 281,782.68 is: 422,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,358.92 : 1,022,162.28 = 281,782.68 : x
  2. Step 2: Convert to fraction form
    681,358.92/1,022,162.28 = 281,782.68/x
  3. Step 3: Cross multiply
    681,358.92x = 1,022,162.28 × 281,782.68
  4. Step 4: Simplify right side
    681,358.92x = 288,027,626,653.31
  5. Step 5: Solve for x
    x = 288,027,626,653.31/681,358.92
  6. Step 6: Final answer
    x = 422,725.26

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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.