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Finding the Fourth Proportional to 960.12, 1,324.76 and 606.24

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Solution

The fourth proportional to 960.12, 1,324.76 and 606.24 is: 836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.12 : 1,324.76 = 606.24 : x
  2. Step 2: Convert to fraction form
    960.12/1,324.76 = 606.24/x
  3. Step 3: Cross multiply
    960.12x = 1,324.76 × 606.24
  4. Step 4: Simplify right side
    960.12x = 803,119.47
  5. Step 5: Solve for x
    x = 803,119.47/960.12
  6. Step 6: Final answer
    x = 836.48

Related Problems

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Half scale
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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.