Home / 1,146.06-1,719.12-496.80

Finding the Fourth Proportional to 1,146.06, 1,719.12 and 496.80

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Solution

The fourth proportional to 1,146.06, 1,719.12 and 496.80 is: 745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.06 : 1,719.12 = 496.80 : x
  2. Step 2: Convert to fraction form
    1,146.06/1,719.12 = 496.80/x
  3. Step 3: Cross multiply
    1,146.06x = 1,719.12 × 496.80
  4. Step 4: Simplify right side
    1,146.06x = 854,058.82
  5. Step 5: Solve for x
    x = 854,058.82/1,146.06
  6. Step 6: Final answer
    x = 745.21

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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.