Home / 454,847.19-681,717.34-321,765.81

Finding the Fourth Proportional to 454,847.19, 681,717.34 and 321,765.81

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Solution

The fourth proportional to 454,847.19, 681,717.34 and 321,765.81 is: 482,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,847.19 : 681,717.34 = 321,765.81 : x
  2. Step 2: Convert to fraction form
    454,847.19/681,717.34 = 321,765.81/x
  3. Step 3: Cross multiply
    454,847.19x = 681,717.34 × 321,765.81
  4. Step 4: Simplify right side
    454,847.19x = 219,353,332,096.15
  5. Step 5: Solve for x
    x = 219,353,332,096.15/454,847.19
  6. Step 6: Final answer
    x = 482,257.20

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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.