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Finding the Fourth Proportional to 744.83, 1,027.16 and 446.03

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Solution

The fourth proportional to 744.83, 1,027.16 and 446.03 is: 615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744.83 : 1,027.16 = 446.03 : x
  2. Step 2: Convert to fraction form
    744.83/1,027.16 = 446.03/x
  3. Step 3: Cross multiply
    744.83x = 1,027.16 × 446.03
  4. Step 4: Simplify right side
    744.83x = 458,143.97
  5. Step 5: Solve for x
    x = 458,143.97/744.83
  6. Step 6: Final answer
    x = 615.10

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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.