Home / 850.34-1,173.66-501.23

Finding the Fourth Proportional to 850.34, 1,173.66 and 501.23

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Solution

The fourth proportional to 850.34, 1,173.66 and 501.23 is: 691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.34 : 1,173.66 = 501.23 : x
  2. Step 2: Convert to fraction form
    850.34/1,173.66 = 501.23/x
  3. Step 3: Cross multiply
    850.34x = 1,173.66 × 501.23
  4. Step 4: Simplify right side
    850.34x = 588,276.54
  5. Step 5: Solve for x
    x = 588,276.54/850.34
  6. Step 6: Final answer
    x = 691.81

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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.