Home / 885,766.20-1,328,649.30-324,727.80

Finding the Fourth Proportional to 885,766.20, 1,328,649.30 and 324,727.80

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Solution

The fourth proportional to 885,766.20, 1,328,649.30 and 324,727.80 is: 487,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,766.20 : 1,328,649.30 = 324,727.80 : x
  2. Step 2: Convert to fraction form
    885,766.20/1,328,649.30 = 324,727.80/x
  3. Step 3: Cross multiply
    885,766.20x = 1,328,649.30 × 324,727.80
  4. Step 4: Simplify right side
    885,766.20x = 431,449,364,160.54
  5. Step 5: Solve for x
    x = 431,449,364,160.54/885,766.20
  6. Step 6: Final answer
    x = 487,091.70

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1.5x scale

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.