Home / 1,176.27-1,764.61-396.35

Finding the Fourth Proportional to 1,176.27, 1,764.61 and 396.35

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Solution

The fourth proportional to 1,176.27, 1,764.61 and 396.35 is: 594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.27 : 1,764.61 = 396.35 : x
  2. Step 2: Convert to fraction form
    1,176.27/1,764.61 = 396.35/x
  3. Step 3: Cross multiply
    1,176.27x = 1,764.61 × 396.35
  4. Step 4: Simplify right side
    1,176.27x = 699,403.17
  5. Step 5: Solve for x
    x = 699,403.17/1,176.27
  6. Step 6: Final answer
    x = 594.59

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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.