Home / 959,170.80-1,438,755.84-285,249.36

Finding the Fourth Proportional to 959,170.80, 1,438,755.84 and 285,249.36

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Solution

The fourth proportional to 959,170.80, 1,438,755.84 and 285,249.36 is: 427,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,170.80 : 1,438,755.84 = 285,249.36 : x
  2. Step 2: Convert to fraction form
    959,170.80/1,438,755.84 = 285,249.36/x
  3. Step 3: Cross multiply
    959,170.80x = 1,438,755.84 × 285,249.36
  4. Step 4: Simplify right side
    959,170.80x = 410,404,182,556.26
  5. Step 5: Solve for x
    x = 410,404,182,556.26/959,170.80
  6. Step 6: Final answer
    x = 427,873.93

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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.