Home / 767,992.80-1,151,989.20-724,447.20

Finding the Fourth Proportional to 767,992.80, 1,151,989.20 and 724,447.20

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Solution

The fourth proportional to 767,992.80, 1,151,989.20 and 724,447.20 is: 1,086,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,992.80 : 1,151,989.20 = 724,447.20 : x
  2. Step 2: Convert to fraction form
    767,992.80/1,151,989.20 = 724,447.20/x
  3. Step 3: Cross multiply
    767,992.80x = 1,151,989.20 × 724,447.20
  4. Step 4: Simplify right side
    767,992.80x = 834,555,350,370.24
  5. Step 5: Solve for x
    x = 834,555,350,370.24/767,992.80
  6. Step 6: Final answer
    x = 1,086,670.80

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Similar ratio
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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.