Home / 850.24-1,274.59-411.22

Finding the Fourth Proportional to 850.24, 1,274.59 and 411.22

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Solution

The fourth proportional to 850.24, 1,274.59 and 411.22 is: 616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.24 : 1,274.59 = 411.22 : x
  2. Step 2: Convert to fraction form
    850.24/1,274.59 = 411.22/x
  3. Step 3: Cross multiply
    850.24x = 1,274.59 × 411.22
  4. Step 4: Simplify right side
    850.24x = 524,136.90
  5. Step 5: Solve for x
    x = 524,136.90/850.24
  6. Step 6: Final answer
    x = 616.46

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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.