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Finding the Fourth Proportional to 883.11, 1,324.65 and 473.05

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Solution

The fourth proportional to 883.11, 1,324.65 and 473.05 is: 709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.11 : 1,324.65 = 473.05 : x
  2. Step 2: Convert to fraction form
    883.11/1,324.65 = 473.05/x
  3. Step 3: Cross multiply
    883.11x = 1,324.65 × 473.05
  4. Step 4: Simplify right side
    883.11x = 626,620.60
  5. Step 5: Solve for x
    x = 626,620.60/883.11
  6. Step 6: Final answer
    x = 709.56

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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.