Home / 980,538.40-1,469,761.20-558,906.40

Finding the Fourth Proportional to 980,538.40, 1,469,761.20 and 558,906.40

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Solution

The fourth proportional to 980,538.40, 1,469,761.20 and 558,906.40 is: 837,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,538.40 : 1,469,761.20 = 558,906.40 : x
  2. Step 2: Convert to fraction form
    980,538.40/1,469,761.20 = 558,906.40/x
  3. Step 3: Cross multiply
    980,538.40x = 1,469,761.20 × 558,906.40
  4. Step 4: Simplify right side
    980,538.40x = 821,458,941,151.68
  5. Step 5: Solve for x
    x = 821,458,941,151.68/980,538.40
  6. Step 6: Final answer
    x = 837,763.15

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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.