Home / 805,003.20-1,207,722.57-272,524.27

Finding the Fourth Proportional to 805,003.20, 1,207,722.57 and 272,524.27

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Solution

The fourth proportional to 805,003.20, 1,207,722.57 and 272,524.27 is: 408,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,003.20 : 1,207,722.57 = 272,524.27 : x
  2. Step 2: Convert to fraction form
    805,003.20/1,207,722.57 = 272,524.27/x
  3. Step 3: Cross multiply
    805,003.20x = 1,207,722.57 × 272,524.27
  4. Step 4: Simplify right side
    805,003.20x = 329,133,711,751.77
  5. Step 5: Solve for x
    x = 329,133,711,751.77/805,003.20
  6. Step 6: Final answer
    x = 408,860.13

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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.