Home / 743,882.22-1,115,403.33-680,404.56

Finding the Fourth Proportional to 743,882.22, 1,115,403.33 and 680,404.56

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Solution

The fourth proportional to 743,882.22, 1,115,403.33 and 680,404.56 is: 1,020,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,882.22 : 1,115,403.33 = 680,404.56 : x
  2. Step 2: Convert to fraction form
    743,882.22/1,115,403.33 = 680,404.56/x
  3. Step 3: Cross multiply
    743,882.22x = 1,115,403.33 × 680,404.56
  4. Step 4: Simplify right side
    743,882.22x = 758,925,511,971.19
  5. Step 5: Solve for x
    x = 758,925,511,971.19/743,882.22
  6. Step 6: Final answer
    x = 1,020,222.68

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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.