Home / 809,312.29-1,213,962.96-269,609.89

Finding the Fourth Proportional to 809,312.29, 1,213,962.96 and 269,609.89

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Solution

The fourth proportional to 809,312.29, 1,213,962.96 and 269,609.89 is: 404,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,312.29 : 1,213,962.96 = 269,609.89 : x
  2. Step 2: Convert to fraction form
    809,312.29/1,213,962.96 = 269,609.89/x
  3. Step 3: Cross multiply
    809,312.29x = 1,213,962.96 × 269,609.89
  4. Step 4: Simplify right side
    809,312.29x = 327,296,420,109.67
  5. Step 5: Solve for x
    x = 327,296,420,109.67/809,312.29
  6. Step 6: Final answer
    x = 404,413.01

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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.