Home / 886,074.24-1,328,644.32-386,855.04

Finding the Fourth Proportional to 886,074.24, 1,328,644.32 and 386,855.04

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Solution

The fourth proportional to 886,074.24, 1,328,644.32 and 386,855.04 is: 580,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,074.24 : 1,328,644.32 = 386,855.04 : x
  2. Step 2: Convert to fraction form
    886,074.24/1,328,644.32 = 386,855.04/x
  3. Step 3: Cross multiply
    886,074.24x = 1,328,644.32 × 386,855.04
  4. Step 4: Simplify right side
    886,074.24x = 513,992,751,559.37
  5. Step 5: Solve for x
    x = 513,992,751,559.37/886,074.24
  6. Step 6: Final answer
    x = 580,078.65

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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.