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Finding the Fourth Proportional to 941.28, 1,410.39 and 574.96

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Solution

The fourth proportional to 941.28, 1,410.39 and 574.96 is: 861.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.28 : 1,410.39 = 574.96 : x
  2. Step 2: Convert to fraction form
    941.28/1,410.39 = 574.96/x
  3. Step 3: Cross multiply
    941.28x = 1,410.39 × 574.96
  4. Step 4: Simplify right side
    941.28x = 810,915.75
  5. Step 5: Solve for x
    x = 810,915.75/941.28
  6. Step 6: Final answer
    x = 861.50

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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.