Home / 822,448.20-1,231,922.70-682,480.20

Finding the Fourth Proportional to 822,448.20, 1,231,922.70 and 682,480.20

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Solution

The fourth proportional to 822,448.20, 1,231,922.70 and 682,480.20 is: 1,022,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,448.20 : 1,231,922.70 = 682,480.20 : x
  2. Step 2: Convert to fraction form
    822,448.20/1,231,922.70 = 682,480.20/x
  3. Step 3: Cross multiply
    822,448.20x = 1,231,922.70 × 682,480.20
  4. Step 4: Simplify right side
    822,448.20x = 840,762,850,680.54
  5. Step 5: Solve for x
    x = 840,762,850,680.54/822,448.20
  6. Step 6: Final answer
    x = 1,022,268.45

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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.