Home / 815,923.00-1,125,906.06-448,380.81

Finding the Fourth Proportional to 815,923.00, 1,125,906.06 and 448,380.81

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Solution

The fourth proportional to 815,923.00, 1,125,906.06 and 448,380.81 is: 618,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,923.00 : 1,125,906.06 = 448,380.81 : x
  2. Step 2: Convert to fraction form
    815,923.00/1,125,906.06 = 448,380.81/x
  3. Step 3: Cross multiply
    815,923.00x = 1,125,906.06 × 448,380.81
  4. Step 4: Simplify right side
    815,923.00x = 504,834,671,425.93
  5. Step 5: Solve for x
    x = 504,834,671,425.93/815,923.00
  6. Step 6: Final answer
    x = 618,728.33

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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.