Home / 738,412.68-1,107,618.92-177,447.20

Finding the Fourth Proportional to 738,412.68, 1,107,618.92 and 177,447.20

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Solution

The fourth proportional to 738,412.68, 1,107,618.92 and 177,447.20 is: 266,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,412.68 : 1,107,618.92 = 177,447.20 : x
  2. Step 2: Convert to fraction form
    738,412.68/1,107,618.92 = 177,447.20/x
  3. Step 3: Cross multiply
    738,412.68x = 1,107,618.92 × 177,447.20
  4. Step 4: Simplify right side
    738,412.68x = 196,543,876,021.02
  5. Step 5: Solve for x
    x = 196,543,876,021.02/738,412.68
  6. Step 6: Final answer
    x = 266,170.78

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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.