Home / 770,523.20-1,154,229.60-534,132.80

Finding the Fourth Proportional to 770,523.20, 1,154,229.60 and 534,132.80

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Solution

The fourth proportional to 770,523.20, 1,154,229.60 and 534,132.80 is: 800,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,523.20 : 1,154,229.60 = 534,132.80 : x
  2. Step 2: Convert to fraction form
    770,523.20/1,154,229.60 = 534,132.80/x
  3. Step 3: Cross multiply
    770,523.20x = 1,154,229.60 × 534,132.80
  4. Step 4: Simplify right side
    770,523.20x = 616,511,888,090.88
  5. Step 5: Solve for x
    x = 616,511,888,090.88/770,523.20
  6. Step 6: Final answer
    x = 800,121.12

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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.