Home / 814,906.35-1,221,611.16-282,054.73

Finding the Fourth Proportional to 814,906.35, 1,221,611.16 and 282,054.73

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Solution

The fourth proportional to 814,906.35, 1,221,611.16 and 282,054.73 is: 422,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,906.35 : 1,221,611.16 = 282,054.73 : x
  2. Step 2: Convert to fraction form
    814,906.35/1,221,611.16 = 282,054.73/x
  3. Step 3: Cross multiply
    814,906.35x = 1,221,611.16 × 282,054.73
  4. Step 4: Simplify right side
    814,906.35x = 344,561,207,645.56
  5. Step 5: Solve for x
    x = 344,561,207,645.56/814,906.35
  6. Step 6: Final answer
    x = 422,823.08

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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.