Home / 809,087.69-1,213,829.13-269,342.92

Finding the Fourth Proportional to 809,087.69, 1,213,829.13 and 269,342.92

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Solution

The fourth proportional to 809,087.69, 1,213,829.13 and 269,342.92 is: 404,080.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,087.69 : 1,213,829.13 = 269,342.92 : x
  2. Step 2: Convert to fraction form
    809,087.69/1,213,829.13 = 269,342.92/x
  3. Step 3: Cross multiply
    809,087.69x = 1,213,829.13 × 269,342.92
  4. Step 4: Simplify right side
    809,087.69x = 326,936,280,908.55
  5. Step 5: Solve for x
    x = 326,936,280,908.55/809,087.69
  6. Step 6: Final answer
    x = 404,080.16

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1.5x scale

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.