Home / 886,535.72-1,329,990.41-287,450.17

Finding the Fourth Proportional to 886,535.72, 1,329,990.41 and 287,450.17

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Solution

The fourth proportional to 886,535.72, 1,329,990.41 and 287,450.17 is: 431,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,535.72 : 1,329,990.41 = 287,450.17 : x
  2. Step 2: Convert to fraction form
    886,535.72/1,329,990.41 = 287,450.17/x
  3. Step 3: Cross multiply
    886,535.72x = 1,329,990.41 × 287,450.17
  4. Step 4: Simplify right side
    886,535.72x = 382,305,969,452.87
  5. Step 5: Solve for x
    x = 382,305,969,452.87/886,535.72
  6. Step 6: Final answer
    x = 431,235.83

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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.