Home / 855,589.25-1,284,645.49-477,249.19

Finding the Fourth Proportional to 855,589.25, 1,284,645.49 and 477,249.19

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Solution

The fourth proportional to 855,589.25, 1,284,645.49 and 477,249.19 is: 716,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,589.25 : 1,284,645.49 = 477,249.19 : x
  2. Step 2: Convert to fraction form
    855,589.25/1,284,645.49 = 477,249.19/x
  3. Step 3: Cross multiply
    855,589.25x = 1,284,645.49 × 477,249.19
  4. Step 4: Simplify right side
    855,589.25x = 613,096,015,134.92
  5. Step 5: Solve for x
    x = 613,096,015,134.92/855,589.25
  6. Step 6: Final answer
    x = 716,577.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.