Home / 800,330.55-1,200,497.88-327,015.91

Finding the Fourth Proportional to 800,330.55, 1,200,497.88 and 327,015.91

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Solution

The fourth proportional to 800,330.55, 1,200,497.88 and 327,015.91 is: 490,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,330.55 : 1,200,497.88 = 327,015.91 : x
  2. Step 2: Convert to fraction form
    800,330.55/1,200,497.88 = 327,015.91/x
  3. Step 3: Cross multiply
    800,330.55x = 1,200,497.88 × 327,015.91
  4. Step 4: Simplify right side
    800,330.55x = 392,581,908,795.05
  5. Step 5: Solve for x
    x = 392,581,908,795.05/800,330.55
  6. Step 6: Final answer
    x = 490,524.71

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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.