Home / 801,738.81-1,202,608.22-328,338.09

Finding the Fourth Proportional to 801,738.81, 1,202,608.22 and 328,338.09

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Solution

The fourth proportional to 801,738.81, 1,202,608.22 and 328,338.09 is: 492,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,738.81 : 1,202,608.22 = 328,338.09 : x
  2. Step 2: Convert to fraction form
    801,738.81/1,202,608.22 = 328,338.09/x
  3. Step 3: Cross multiply
    801,738.81x = 1,202,608.22 × 328,338.09
  4. Step 4: Simplify right side
    801,738.81x = 394,862,084,331.41
  5. Step 5: Solve for x
    x = 394,862,084,331.41/801,738.81
  6. Step 6: Final answer
    x = 492,507.14

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Double scale
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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.