Home / 1,038.80-1,433.53-596.95

Finding the Fourth Proportional to 1,038.80, 1,433.53 and 596.95

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Solution

The fourth proportional to 1,038.80, 1,433.53 and 596.95 is: 823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038.80 : 1,433.53 = 596.95 : x
  2. Step 2: Convert to fraction form
    1,038.80/1,433.53 = 596.95/x
  3. Step 3: Cross multiply
    1,038.80x = 1,433.53 × 596.95
  4. Step 4: Simplify right side
    1,038.80x = 855,745.73
  5. Step 5: Solve for x
    x = 855,745.73/1,038.80
  6. Step 6: Final answer
    x = 823.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.