Home / 815,903.96-1,125,922.07-448,380.23

Finding the Fourth Proportional to 815,903.96, 1,125,922.07 and 448,380.23

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Solution

The fourth proportional to 815,903.96, 1,125,922.07 and 448,380.23 is: 618,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,903.96 : 1,125,922.07 = 448,380.23 : x
  2. Step 2: Convert to fraction form
    815,903.96/1,125,922.07 = 448,380.23/x
  3. Step 3: Cross multiply
    815,903.96x = 1,125,922.07 × 448,380.23
  4. Step 4: Simplify right side
    815,903.96x = 504,841,192,200.02
  5. Step 5: Solve for x
    x = 504,841,192,200.02/815,903.96
  6. Step 6: Final answer
    x = 618,750.76

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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.