Home / 807,481.20-1,211,221.80-732,685.80

Finding the Fourth Proportional to 807,481.20, 1,211,221.80 and 732,685.80

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Solution

The fourth proportional to 807,481.20, 1,211,221.80 and 732,685.80 is: 1,099,028.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,481.20 : 1,211,221.80 = 732,685.80 : x
  2. Step 2: Convert to fraction form
    807,481.20/1,211,221.80 = 732,685.80/x
  3. Step 3: Cross multiply
    807,481.20x = 1,211,221.80 × 732,685.80
  4. Step 4: Simplify right side
    807,481.20x = 887,445,013,510.44
  5. Step 5: Solve for x
    x = 887,445,013,510.44/807,481.20
  6. Step 6: Final answer
    x = 1,099,028.70

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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.