Home / 579,540.42-869,306.31-180,180.45

Finding the Fourth Proportional to 579,540.42, 869,306.31 and 180,180.45

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Solution

The fourth proportional to 579,540.42, 869,306.31 and 180,180.45 is: 270,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,540.42 : 869,306.31 = 180,180.45 : x
  2. Step 2: Convert to fraction form
    579,540.42/869,306.31 = 180,180.45/x
  3. Step 3: Cross multiply
    579,540.42x = 869,306.31 × 180,180.45
  4. Step 4: Simplify right side
    579,540.42x = 156,632,002,123.64
  5. Step 5: Solve for x
    x = 156,632,002,123.64/579,540.42
  6. Step 6: Final answer
    x = 270,269.33

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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.