Home / 454,640.05-681,074.34-276,705.73

Finding the Fourth Proportional to 454,640.05, 681,074.34 and 276,705.73

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Solution

The fourth proportional to 454,640.05, 681,074.34 and 276,705.73 is: 414,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,640.05 : 681,074.34 = 276,705.73 : x
  2. Step 2: Convert to fraction form
    454,640.05/681,074.34 = 276,705.73/x
  3. Step 3: Cross multiply
    454,640.05x = 681,074.34 × 276,705.73
  4. Step 4: Simplify right side
    454,640.05x = 188,457,172,433.97
  5. Step 5: Solve for x
    x = 188,457,172,433.97/454,640.05
  6. Step 6: Final answer
    x = 414,519.51

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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.