Home / 850.46-1,275.68-273.34

Finding the Fourth Proportional to 850.46, 1,275.68 and 273.34

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Solution

The fourth proportional to 850.46, 1,275.68 and 273.34 is: 410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.46 : 1,275.68 = 273.34 : x
  2. Step 2: Convert to fraction form
    850.46/1,275.68 = 273.34/x
  3. Step 3: Cross multiply
    850.46x = 1,275.68 × 273.34
  4. Step 4: Simplify right side
    850.46x = 348,691.87
  5. Step 5: Solve for x
    x = 348,691.87/850.46
  6. Step 6: Final answer
    x = 410.00

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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.