Home / 938,745.05-1,407,651.53-298,965.33

Finding the Fourth Proportional to 938,745.05, 1,407,651.53 and 298,965.33

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Solution

The fourth proportional to 938,745.05, 1,407,651.53 and 298,965.33 is: 448,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,745.05 : 1,407,651.53 = 298,965.33 : x
  2. Step 2: Convert to fraction form
    938,745.05/1,407,651.53 = 298,965.33/x
  3. Step 3: Cross multiply
    938,745.05x = 1,407,651.53 × 298,965.33
  4. Step 4: Simplify right side
    938,745.05x = 420,839,002,696.63
  5. Step 5: Solve for x
    x = 420,839,002,696.63/938,745.05
  6. Step 6: Final answer
    x = 448,299.57

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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.