Home / 681,478.88-1,022,222.10-281,903.18

Finding the Fourth Proportional to 681,478.88, 1,022,222.10 and 281,903.18

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Solution

The fourth proportional to 681,478.88, 1,022,222.10 and 281,903.18 is: 422,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,478.88 : 1,022,222.10 = 281,903.18 : x
  2. Step 2: Convert to fraction form
    681,478.88/1,022,222.10 = 281,903.18/x
  3. Step 3: Cross multiply
    681,478.88x = 1,022,222.10 × 281,903.18
  4. Step 4: Simplify right side
    681,478.88x = 288,167,660,656.28
  5. Step 5: Solve for x
    x = 288,167,660,656.28/681,478.88
  6. Step 6: Final answer
    x = 422,856.33

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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.