Home / 886,680.06-1,330,206.99-287,594.61

Finding the Fourth Proportional to 886,680.06, 1,330,206.99 and 287,594.61

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Solution

The fourth proportional to 886,680.06, 1,330,206.99 and 287,594.61 is: 431,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,680.06 : 1,330,206.99 = 287,594.61 : x
  2. Step 2: Convert to fraction form
    886,680.06/1,330,206.99 = 287,594.61/x
  3. Step 3: Cross multiply
    886,680.06x = 1,330,206.99 × 287,594.61
  4. Step 4: Simplify right side
    886,680.06x = 382,560,360,508.32
  5. Step 5: Solve for x
    x = 382,560,360,508.32/886,680.06
  6. Step 6: Final answer
    x = 431,452.54

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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.