Home / 850.11-1,173.38-519.13

Finding the Fourth Proportional to 850.11, 1,173.38 and 519.13

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Solution

The fourth proportional to 850.11, 1,173.38 and 519.13 is: 716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.11 : 1,173.38 = 519.13 : x
  2. Step 2: Convert to fraction form
    850.11/1,173.38 = 519.13/x
  3. Step 3: Cross multiply
    850.11x = 1,173.38 × 519.13
  4. Step 4: Simplify right side
    850.11x = 609,136.76
  5. Step 5: Solve for x
    x = 609,136.76/850.11
  6. Step 6: Final answer
    x = 716.54

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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.