Home / 684,754.80-1,027,132.20-329,683.20

Finding the Fourth Proportional to 684,754.80, 1,027,132.20 and 329,683.20

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Solution

The fourth proportional to 684,754.80, 1,027,132.20 and 329,683.20 is: 494,524.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,754.80 : 1,027,132.20 = 329,683.20 : x
  2. Step 2: Convert to fraction form
    684,754.80/1,027,132.20 = 329,683.20/x
  3. Step 3: Cross multiply
    684,754.80x = 1,027,132.20 × 329,683.20
  4. Step 4: Simplify right side
    684,754.80x = 338,628,230,519.04
  5. Step 5: Solve for x
    x = 338,628,230,519.04/684,754.80
  6. Step 6: Final answer
    x = 494,524.80

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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.