Home / 807,480.92-1,211,408.96-275,006.49

Finding the Fourth Proportional to 807,480.92, 1,211,408.96 and 275,006.49

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Solution

The fourth proportional to 807,480.92, 1,211,408.96 and 275,006.49 is: 412,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,480.92 : 1,211,408.96 = 275,006.49 : x
  2. Step 2: Convert to fraction form
    807,480.92/1,211,408.96 = 275,006.49/x
  3. Step 3: Cross multiply
    807,480.92x = 1,211,408.96 × 275,006.49
  4. Step 4: Simplify right side
    807,480.92x = 333,145,324,669.12
  5. Step 5: Solve for x
    x = 333,145,324,669.12/807,480.92
  6. Step 6: Final answer
    x = 412,573.62

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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.