Home / 979,727.98-1,469,969.82-381,110.84

Finding the Fourth Proportional to 979,727.98, 1,469,969.82 and 381,110.84

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Solution

The fourth proportional to 979,727.98, 1,469,969.82 and 381,110.84 is: 571,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,727.98 : 1,469,969.82 = 381,110.84 : x
  2. Step 2: Convert to fraction form
    979,727.98/1,469,969.82 = 381,110.84/x
  3. Step 3: Cross multiply
    979,727.98x = 1,469,969.82 × 381,110.84
  4. Step 4: Simplify right side
    979,727.98x = 560,221,432,874.85
  5. Step 5: Solve for x
    x = 560,221,432,874.85/979,727.98
  6. Step 6: Final answer
    x = 571,813.24

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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.