Home / 739,704.96-1,109,560.32-178,738.56

Finding the Fourth Proportional to 739,704.96, 1,109,560.32 and 178,738.56

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Solution

The fourth proportional to 739,704.96, 1,109,560.32 and 178,738.56 is: 268,108.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,704.96 : 1,109,560.32 = 178,738.56 : x
  2. Step 2: Convert to fraction form
    739,704.96/1,109,560.32 = 178,738.56/x
  3. Step 3: Cross multiply
    739,704.96x = 1,109,560.32 × 178,738.56
  4. Step 4: Simplify right side
    739,704.96x = 198,321,213,829.94
  5. Step 5: Solve for x
    x = 198,321,213,829.94/739,704.96
  6. Step 6: Final answer
    x = 268,108.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.