Home / 1,083.38-1,623.92-497.95

Finding the Fourth Proportional to 1,083.38, 1,623.92 and 497.95

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Solution

The fourth proportional to 1,083.38, 1,623.92 and 497.95 is: 746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083.38 : 1,623.92 = 497.95 : x
  2. Step 2: Convert to fraction form
    1,083.38/1,623.92 = 497.95/x
  3. Step 3: Cross multiply
    1,083.38x = 1,623.92 × 497.95
  4. Step 4: Simplify right side
    1,083.38x = 808,624.41
  5. Step 5: Solve for x
    x = 808,624.41/1,083.38
  6. Step 6: Final answer
    x = 746.39

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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.