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Finding the Fourth Proportional to 794.09, 1,095.59 and 514.54

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Solution

The fourth proportional to 794.09, 1,095.59 and 514.54 is: 709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.09 : 1,095.59 = 514.54 : x
  2. Step 2: Convert to fraction form
    794.09/1,095.59 = 514.54/x
  3. Step 3: Cross multiply
    794.09x = 1,095.59 × 514.54
  4. Step 4: Simplify right side
    794.09x = 563,716.83
  5. Step 5: Solve for x
    x = 563,716.83/794.09
  6. Step 6: Final answer
    x = 709.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.