Home / 727,369.75-1,091,029.11-221,910.31

Finding the Fourth Proportional to 727,369.75, 1,091,029.11 and 221,910.31

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Solution

The fourth proportional to 727,369.75, 1,091,029.11 and 221,910.31 is: 332,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,369.75 : 1,091,029.11 = 221,910.31 : x
  2. Step 2: Convert to fraction form
    727,369.75/1,091,029.11 = 221,910.31/x
  3. Step 3: Cross multiply
    727,369.75x = 1,091,029.11 × 221,910.31
  4. Step 4: Simplify right side
    727,369.75x = 242,110,608,019.12
  5. Step 5: Solve for x
    x = 242,110,608,019.12/727,369.75
  6. Step 6: Final answer
    x = 332,857.68

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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.