Home / 722,684.55-1,083,589.42-323,250.87

Finding the Fourth Proportional to 722,684.55, 1,083,589.42 and 323,250.87

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Solution

The fourth proportional to 722,684.55, 1,083,589.42 and 323,250.87 is: 484,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,684.55 : 1,083,589.42 = 323,250.87 : x
  2. Step 2: Convert to fraction form
    722,684.55/1,083,589.42 = 323,250.87/x
  3. Step 3: Cross multiply
    722,684.55x = 1,083,589.42 × 323,250.87
  4. Step 4: Simplify right side
    722,684.55x = 350,271,222,737.80
  5. Step 5: Solve for x
    x = 350,271,222,737.80/722,684.55
  6. Step 6: Final answer
    x = 484,680.66

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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.