Home / 681,228.05-1,022,250.31-281,874.29

Finding the Fourth Proportional to 681,228.05, 1,022,250.31 and 281,874.29

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Solution

The fourth proportional to 681,228.05, 1,022,250.31 and 281,874.29 is: 422,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,228.05 : 1,022,250.31 = 281,874.29 : x
  2. Step 2: Convert to fraction form
    681,228.05/1,022,250.31 = 281,874.29/x
  3. Step 3: Cross multiply
    681,228.05x = 1,022,250.31 × 281,874.29
  4. Step 4: Simplify right side
    681,228.05x = 288,146,074,517.59
  5. Step 5: Solve for x
    x = 288,146,074,517.59/681,228.05
  6. Step 6: Final answer
    x = 422,980.35

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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.