Home / 327,790.73-451,399.07-284,750.57

Finding the Fourth Proportional to 327,790.73, 451,399.07 and 284,750.57

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Solution

The fourth proportional to 327,790.73, 451,399.07 and 284,750.57 is: 392,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,790.73 : 451,399.07 = 284,750.57 : x
  2. Step 2: Convert to fraction form
    327,790.73/451,399.07 = 284,750.57/x
  3. Step 3: Cross multiply
    327,790.73x = 451,399.07 × 284,750.57
  4. Step 4: Simplify right side
    327,790.73x = 128,536,140,934.85
  5. Step 5: Solve for x
    x = 128,536,140,934.85/327,790.73
  6. Step 6: Final answer
    x = 392,128.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.