Home / 855,010.58-1,282,478.07-223,910.42

Finding the Fourth Proportional to 855,010.58, 1,282,478.07 and 223,910.42

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Solution

The fourth proportional to 855,010.58, 1,282,478.07 and 223,910.42 is: 335,855.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,010.58 : 1,282,478.07 = 223,910.42 : x
  2. Step 2: Convert to fraction form
    855,010.58/1,282,478.07 = 223,910.42/x
  3. Step 3: Cross multiply
    855,010.58x = 1,282,478.07 × 223,910.42
  4. Step 4: Simplify right side
    855,010.58x = 287,160,203,294.49
  5. Step 5: Solve for x
    x = 287,160,203,294.49/855,010.58
  6. Step 6: Final answer
    x = 335,855.73

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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.