Home / 801,205.80-1,202,489.10-328,230.60

Finding the Fourth Proportional to 801,205.80, 1,202,489.10 and 328,230.60

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Solution

The fourth proportional to 801,205.80, 1,202,489.10 and 328,230.60 is: 492,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,205.80 : 1,202,489.10 = 328,230.60 : x
  2. Step 2: Convert to fraction form
    801,205.80/1,202,489.10 = 328,230.60/x
  3. Step 3: Cross multiply
    801,205.80x = 1,202,489.10 × 328,230.60
  4. Step 4: Simplify right side
    801,205.80x = 394,693,718,786.46
  5. Step 5: Solve for x
    x = 394,693,718,786.46/801,205.80
  6. Step 6: Final answer
    x = 492,624.64

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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.