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Finding the Fourth Proportional to 814.96, 1,125.16 and 566.19

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Solution

The fourth proportional to 814.96, 1,125.16 and 566.19 is: 781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814.96 : 1,125.16 = 566.19 : x
  2. Step 2: Convert to fraction form
    814.96/1,125.16 = 566.19/x
  3. Step 3: Cross multiply
    814.96x = 1,125.16 × 566.19
  4. Step 4: Simplify right side
    814.96x = 637,052.92
  5. Step 5: Solve for x
    x = 637,052.92/814.96
  6. Step 6: Final answer
    x = 781.70

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Double scale
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1.5x scale

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.