Home / 809,089.96-1,213,832.51-269,345.19

Finding the Fourth Proportional to 809,089.96, 1,213,832.51 and 269,345.19

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Solution

The fourth proportional to 809,089.96, 1,213,832.51 and 269,345.19 is: 404,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,089.96 : 1,213,832.51 = 269,345.19 : x
  2. Step 2: Convert to fraction form
    809,089.96/1,213,832.51 = 269,345.19/x
  3. Step 3: Cross multiply
    809,089.96x = 1,213,832.51 × 269,345.19
  4. Step 4: Simplify right side
    809,089.96x = 326,939,948,707.49
  5. Step 5: Solve for x
    x = 326,939,948,707.49/809,089.96
  6. Step 6: Final answer
    x = 404,083.56

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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.