Home / 1,146.45-1,719.68-497.18

Finding the Fourth Proportional to 1,146.45, 1,719.68 and 497.18

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Solution

The fourth proportional to 1,146.45, 1,719.68 and 497.18 is: 745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.45 : 1,719.68 = 497.18 : x
  2. Step 2: Convert to fraction form
    1,146.45/1,719.68 = 497.18/x
  3. Step 3: Cross multiply
    1,146.45x = 1,719.68 × 497.18
  4. Step 4: Simplify right side
    1,146.45x = 854,979.42
  5. Step 5: Solve for x
    x = 854,979.42/1,146.45
  6. Step 6: Final answer
    x = 745.76

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Double scale
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Similar ratio
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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.