Home / 1,098,382.49-1,647,255.49-329,849.19

Finding the Fourth Proportional to 1,098,382.49, 1,647,255.49 and 329,849.19

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Solution

The fourth proportional to 1,098,382.49, 1,647,255.49 and 329,849.19 is: 494,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,382.49 : 1,647,255.49 = 329,849.19 : x
  2. Step 2: Convert to fraction form
    1,098,382.49/1,647,255.49 = 329,849.19/x
  3. Step 3: Cross multiply
    1,098,382.49x = 1,647,255.49 × 329,849.19
  4. Step 4: Simplify right side
    1,098,382.49x = 543,345,895,689.07
  5. Step 5: Solve for x
    x = 543,345,895,689.07/1,098,382.49
  6. Step 6: Final answer
    x = 494,678.22

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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.