Home / 1,024.27-1,413.82-692.57

Finding the Fourth Proportional to 1,024.27, 1,413.82 and 692.57

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Solution

The fourth proportional to 1,024.27, 1,413.82 and 692.57 is: 955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.27 : 1,413.82 = 692.57 : x
  2. Step 2: Convert to fraction form
    1,024.27/1,413.82 = 692.57/x
  3. Step 3: Cross multiply
    1,024.27x = 1,413.82 × 692.57
  4. Step 4: Simplify right side
    1,024.27x = 979,173.72
  5. Step 5: Solve for x
    x = 979,173.72/1,024.27
  6. Step 6: Final answer
    x = 955.97

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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.