Home / 1,110.29-1,665.45-493.83

Finding the Fourth Proportional to 1,110.29, 1,665.45 and 493.83

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Solution

The fourth proportional to 1,110.29, 1,665.45 and 493.83 is: 740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.29 : 1,665.45 = 493.83 : x
  2. Step 2: Convert to fraction form
    1,110.29/1,665.45 = 493.83/x
  3. Step 3: Cross multiply
    1,110.29x = 1,665.45 × 493.83
  4. Step 4: Simplify right side
    1,110.29x = 822,449.17
  5. Step 5: Solve for x
    x = 822,449.17/1,110.29
  6. Step 6: Final answer
    x = 740.76

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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.