Home / 729,680.20-1,094,520.30-679,913.80

Finding the Fourth Proportional to 729,680.20, 1,094,520.30 and 679,913.80

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Solution

The fourth proportional to 729,680.20, 1,094,520.30 and 679,913.80 is: 1,019,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,680.20 : 1,094,520.30 = 679,913.80 : x
  2. Step 2: Convert to fraction form
    729,680.20/1,094,520.30 = 679,913.80/x
  3. Step 3: Cross multiply
    729,680.20x = 1,094,520.30 × 679,913.80
  4. Step 4: Simplify right side
    729,680.20x = 744,179,456,350.14
  5. Step 5: Solve for x
    x = 744,179,456,350.14/729,680.20
  6. Step 6: Final answer
    x = 1,019,870.70

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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.