Home / 753,994.89-1,131,074.78-327,237.39

Finding the Fourth Proportional to 753,994.89, 1,131,074.78 and 327,237.39

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Solution

The fourth proportional to 753,994.89, 1,131,074.78 and 327,237.39 is: 490,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,994.89 : 1,131,074.78 = 327,237.39 : x
  2. Step 2: Convert to fraction form
    753,994.89/1,131,074.78 = 327,237.39/x
  3. Step 3: Cross multiply
    753,994.89x = 1,131,074.78 × 327,237.39
  4. Step 4: Simplify right side
    753,994.89x = 370,129,957,265.84
  5. Step 5: Solve for x
    x = 370,129,957,265.84/753,994.89
  6. Step 6: Final answer
    x = 490,891.86

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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.