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Finding the Fourth Proportional to 741.59, 1,023.03 and 446.75

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Solution

The fourth proportional to 741.59, 1,023.03 and 446.75 is: 616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    741.59 : 1,023.03 = 446.75 : x
  2. Step 2: Convert to fraction form
    741.59/1,023.03 = 446.75/x
  3. Step 3: Cross multiply
    741.59x = 1,023.03 × 446.75
  4. Step 4: Simplify right side
    741.59x = 457,033.54
  5. Step 5: Solve for x
    x = 457,033.54/741.59
  6. Step 6: Final answer
    x = 616.29

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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.