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Finding the Fourth Proportional to 792.76, 1,094.02 and 443.48

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Solution

The fourth proportional to 792.76, 1,094.02 and 443.48 is: 612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.76 : 1,094.02 = 443.48 : x
  2. Step 2: Convert to fraction form
    792.76/1,094.02 = 443.48/x
  3. Step 3: Cross multiply
    792.76x = 1,094.02 × 443.48
  4. Step 4: Simplify right side
    792.76x = 485,175.99
  5. Step 5: Solve for x
    x = 485,175.99/792.76
  6. Step 6: Final answer
    x = 612.01

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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.