Home / 850.25-1,173.32-519.23

Finding the Fourth Proportional to 850.25, 1,173.32 and 519.23

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Solution

The fourth proportional to 850.25, 1,173.32 and 519.23 is: 716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.25 : 1,173.32 = 519.23 : x
  2. Step 2: Convert to fraction form
    850.25/1,173.32 = 519.23/x
  3. Step 3: Cross multiply
    850.25x = 1,173.32 × 519.23
  4. Step 4: Simplify right side
    850.25x = 609,225.23
  5. Step 5: Solve for x
    x = 609,225.23/850.25
  6. Step 6: Final answer
    x = 716.52

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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.