Home / 801,638.37-1,106,273.57-439,055.73

Finding the Fourth Proportional to 801,638.37, 1,106,273.57 and 439,055.73

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Solution

The fourth proportional to 801,638.37, 1,106,273.57 and 439,055.73 is: 605,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,638.37 : 1,106,273.57 = 439,055.73 : x
  2. Step 2: Convert to fraction form
    801,638.37/1,106,273.57 = 439,055.73/x
  3. Step 3: Cross multiply
    801,638.37x = 1,106,273.57 × 439,055.73
  4. Step 4: Simplify right side
    801,638.37x = 485,715,747,660.78
  5. Step 5: Solve for x
    x = 485,715,747,660.78/801,638.37
  6. Step 6: Final answer
    x = 605,903.82

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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.