Home / 738,758.75-1,108,138.37-177,793.25

Finding the Fourth Proportional to 738,758.75, 1,108,138.37 and 177,793.25

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Solution

The fourth proportional to 738,758.75, 1,108,138.37 and 177,793.25 is: 266,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,758.75 : 1,108,138.37 = 177,793.25 : x
  2. Step 2: Convert to fraction form
    738,758.75/1,108,138.37 = 177,793.25/x
  3. Step 3: Cross multiply
    738,758.75x = 1,108,138.37 × 177,793.25
  4. Step 4: Simplify right side
    738,758.75x = 197,019,524,133.38
  5. Step 5: Solve for x
    x = 197,019,524,133.38/738,758.75
  6. Step 6: Final answer
    x = 266,689.94

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Similar ratio
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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.