Home / 850.28-1,173.30-500.84

Finding the Fourth Proportional to 850.28, 1,173.30 and 500.84

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Solution

The fourth proportional to 850.28, 1,173.30 and 500.84 is: 691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.28 : 1,173.30 = 500.84 : x
  2. Step 2: Convert to fraction form
    850.28/1,173.30 = 500.84/x
  3. Step 3: Cross multiply
    850.28x = 1,173.30 × 500.84
  4. Step 4: Simplify right side
    850.28x = 587,635.57
  5. Step 5: Solve for x
    x = 587,635.57/850.28
  6. Step 6: Final answer
    x = 691.11

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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.