Home / 1,083.24-1,623.48-497.46

Finding the Fourth Proportional to 1,083.24, 1,623.48 and 497.46

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Solution

The fourth proportional to 1,083.24, 1,623.48 and 497.46 is: 745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.24 : 1,623.48 = 497.46 : x
  2. Step 2: Convert to fraction form
    1,083.24/1,623.48 = 497.46/x
  3. Step 3: Cross multiply
    1,083.24x = 1,623.48 × 497.46
  4. Step 4: Simplify right side
    1,083.24x = 807,616.36
  5. Step 5: Solve for x
    x = 807,616.36/1,083.24
  6. Step 6: Final answer
    x = 745.56

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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.