Home / 815,994.27-1,126,097.45-448,464.73

Finding the Fourth Proportional to 815,994.27, 1,126,097.45 and 448,464.73

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Solution

The fourth proportional to 815,994.27, 1,126,097.45 and 448,464.73 is: 618,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,994.27 : 1,126,097.45 = 448,464.73 : x
  2. Step 2: Convert to fraction form
    815,994.27/1,126,097.45 = 448,464.73/x
  3. Step 3: Cross multiply
    815,994.27x = 1,126,097.45 × 448,464.73
  4. Step 4: Simplify right side
    815,994.27x = 505,014,988,867.94
  5. Step 5: Solve for x
    x = 505,014,988,867.94/815,994.27
  6. Step 6: Final answer
    x = 618,895.26

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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.