Home / 801,766.80-1,200,317.40-486,061.20

Finding the Fourth Proportional to 801,766.80, 1,200,317.40 and 486,061.20

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Solution

The fourth proportional to 801,766.80, 1,200,317.40 and 486,061.20 is: 727,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,766.80 : 1,200,317.40 = 486,061.20 : x
  2. Step 2: Convert to fraction form
    801,766.80/1,200,317.40 = 486,061.20/x
  3. Step 3: Cross multiply
    801,766.80x = 1,200,317.40 × 486,061.20
  4. Step 4: Simplify right side
    801,766.80x = 583,427,715,824.88
  5. Step 5: Solve for x
    x = 583,427,715,824.88/801,766.80
  6. Step 6: Final answer
    x = 727,677.57

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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.