Home / 770,993.28-1,150,843.20-680,092.80

Finding the Fourth Proportional to 770,993.28, 1,150,843.20 and 680,092.80

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Solution

The fourth proportional to 770,993.28, 1,150,843.20 and 680,092.80 is: 1,015,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,993.28 : 1,150,843.20 = 680,092.80 : x
  2. Step 2: Convert to fraction form
    770,993.28/1,150,843.20 = 680,092.80/x
  3. Step 3: Cross multiply
    770,993.28x = 1,150,843.20 × 680,092.80
  4. Step 4: Simplify right side
    770,993.28x = 782,680,174,248.96
  5. Step 5: Solve for x
    x = 782,680,174,248.96/770,993.28
  6. Step 6: Final answer
    x = 1,015,158.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.