Home / 662,942.40-995,191.20-658,276.80

Finding the Fourth Proportional to 662,942.40, 995,191.20 and 658,276.80

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Solution

The fourth proportional to 662,942.40, 995,191.20 and 658,276.80 is: 988,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,942.40 : 995,191.20 = 658,276.80 : x
  2. Step 2: Convert to fraction form
    662,942.40/995,191.20 = 658,276.80/x
  3. Step 3: Cross multiply
    662,942.40x = 995,191.20 × 658,276.80
  4. Step 4: Simplify right side
    662,942.40x = 655,111,278,524.16
  5. Step 5: Solve for x
    x = 655,111,278,524.16/662,942.40
  6. Step 6: Final answer
    x = 988,187.33

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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.