Home / 729.03-1,092.26-497.18

Finding the Fourth Proportional to 729.03, 1,092.26 and 497.18

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Solution

The fourth proportional to 729.03, 1,092.26 and 497.18 is: 744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    729.03 : 1,092.26 = 497.18 : x
  2. Step 2: Convert to fraction form
    729.03/1,092.26 = 497.18/x
  3. Step 3: Cross multiply
    729.03x = 1,092.26 × 497.18
  4. Step 4: Simplify right side
    729.03x = 543,049.83
  5. Step 5: Solve for x
    x = 543,049.83/729.03
  6. Step 6: Final answer
    x = 744.89

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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.