Home / 807,524.80-1,211,287.20-491,819.20

Finding the Fourth Proportional to 807,524.80, 1,211,287.20 and 491,819.20

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Solution

The fourth proportional to 807,524.80, 1,211,287.20 and 491,819.20 is: 737,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,524.80 : 1,211,287.20 = 491,819.20 : x
  2. Step 2: Convert to fraction form
    807,524.80/1,211,287.20 = 491,819.20/x
  3. Step 3: Cross multiply
    807,524.80x = 1,211,287.20 × 491,819.20
  4. Step 4: Simplify right side
    807,524.80x = 595,734,301,674.24
  5. Step 5: Solve for x
    x = 595,734,301,674.24/807,524.80
  6. Step 6: Final answer
    x = 737,728.80

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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.