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Finding the Fourth Proportional to 737.06, 1,016.82 and 624.54

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Solution

The fourth proportional to 737.06, 1,016.82 and 624.54 is: 861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    737.06 : 1,016.82 = 624.54 : x
  2. Step 2: Convert to fraction form
    737.06/1,016.82 = 624.54/x
  3. Step 3: Cross multiply
    737.06x = 1,016.82 × 624.54
  4. Step 4: Simplify right side
    737.06x = 635,048.58
  5. Step 5: Solve for x
    x = 635,048.58/737.06
  6. Step 6: Final answer
    x = 861.60

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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.