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Finding the Fourth Proportional to 725.55, 999.63 and 600.54

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Solution

The fourth proportional to 725.55, 999.63 and 600.54 is: 827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    725.55 : 999.63 = 600.54 : x
  2. Step 2: Convert to fraction form
    725.55/999.63 = 600.54/x
  3. Step 3: Cross multiply
    725.55x = 999.63 × 600.54
  4. Step 4: Simplify right side
    725.55x = 600,317.80
  5. Step 5: Solve for x
    x = 600,317.80/725.55
  6. Step 6: Final answer
    x = 827.40

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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.