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Finding the Fourth Proportional to 1,294.07, 1,940.00 and 563.09

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Solution

The fourth proportional to 1,294.07, 1,940.00 and 563.09 is: 844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.07 : 1,940.00 = 563.09 : x
  2. Step 2: Convert to fraction form
    1,294.07/1,940.00 = 563.09/x
  3. Step 3: Cross multiply
    1,294.07x = 1,940.00 × 563.09
  4. Step 4: Simplify right side
    1,294.07x = 1,092,382.08
  5. Step 5: Solve for x
    x = 1,092,382.08/1,294.07
  6. Step 6: Final answer
    x = 844.15

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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.