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Finding the Fourth Proportional to 794.72, 1,191.24 and 506.24

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Solution

The fourth proportional to 794.72, 1,191.24 and 506.24 is: 758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.72 : 1,191.24 = 506.24 : x
  2. Step 2: Convert to fraction form
    794.72/1,191.24 = 506.24/x
  3. Step 3: Cross multiply
    794.72x = 1,191.24 × 506.24
  4. Step 4: Simplify right side
    794.72x = 603,053.34
  5. Step 5: Solve for x
    x = 603,053.34/794.72
  6. Step 6: Final answer
    x = 758.82

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Double scale
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1.5x scale

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.