Home / 871,039.05-1,202,067.60-483,883.80

Finding the Fourth Proportional to 871,039.05, 1,202,067.60 and 483,883.80

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Solution

The fourth proportional to 871,039.05, 1,202,067.60 and 483,883.80 is: 667,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,039.05 : 1,202,067.60 = 483,883.80 : x
  2. Step 2: Convert to fraction form
    871,039.05/1,202,067.60 = 483,883.80/x
  3. Step 3: Cross multiply
    871,039.05x = 1,202,067.60 × 483,883.80
  4. Step 4: Simplify right side
    871,039.05x = 581,661,034,544.41
  5. Step 5: Solve for x
    x = 581,661,034,544.41/871,039.05
  6. Step 6: Final answer
    x = 667,778.37

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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.