Home / 886,537.10-1,329,992.49-287,451.56

Finding the Fourth Proportional to 886,537.10, 1,329,992.49 and 287,451.56

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Solution

The fourth proportional to 886,537.10, 1,329,992.49 and 287,451.56 is: 431,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,537.10 : 1,329,992.49 = 287,451.56 : x
  2. Step 2: Convert to fraction form
    886,537.10/1,329,992.49 = 287,451.56/x
  3. Step 3: Cross multiply
    886,537.10x = 1,329,992.49 × 287,451.56
  4. Step 4: Simplify right side
    886,537.10x = 382,308,407,951.56
  5. Step 5: Solve for x
    x = 382,308,407,951.56/886,537.10
  6. Step 6: Final answer
    x = 431,237.91

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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.