Home / 886,680.72-1,330,207.97-287,595.27

Finding the Fourth Proportional to 886,680.72, 1,330,207.97 and 287,595.27

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Solution

The fourth proportional to 886,680.72, 1,330,207.97 and 287,595.27 is: 431,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,680.72 : 1,330,207.97 = 287,595.27 : x
  2. Step 2: Convert to fraction form
    886,680.72/1,330,207.97 = 287,595.27/x
  3. Step 3: Cross multiply
    886,680.72x = 1,330,207.97 × 287,595.27
  4. Step 4: Simplify right side
    886,680.72x = 382,561,518,850.33
  5. Step 5: Solve for x
    x = 382,561,518,850.33/886,680.72
  6. Step 6: Final answer
    x = 431,453.52

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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.