Home / 746.28-1,119.06-284.04

Finding the Fourth Proportional to 746.28, 1,119.06 and 284.04

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Solution

The fourth proportional to 746.28, 1,119.06 and 284.04 is: 425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.28 : 1,119.06 = 284.04 : x
  2. Step 2: Convert to fraction form
    746.28/1,119.06 = 284.04/x
  3. Step 3: Cross multiply
    746.28x = 1,119.06 × 284.04
  4. Step 4: Simplify right side
    746.28x = 317,857.80
  5. Step 5: Solve for x
    x = 317,857.80/746.28
  6. Step 6: Final answer
    x = 425.92

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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.