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Finding the Fourth Proportional to 807,767.20, 1,211,650.80 and 246,728.80

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Solution

The fourth proportional to 807,767.20, 1,211,650.80 and 246,728.80 is: 370,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,767.20 : 1,211,650.80 = 246,728.80 : x
  2. Step 2: Convert to fraction form
    807,767.20/1,211,650.80 = 246,728.80/x
  3. Step 3: Cross multiply
    807,767.20x = 1,211,650.80 × 246,728.80
  4. Step 4: Simplify right side
    807,767.20x = 298,949,147,903.04
  5. Step 5: Solve for x
    x = 298,949,147,903.04/807,767.20
  6. Step 6: Final answer
    x = 370,093.20

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Similar ratio
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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.