Home / 1,024.18-1,413.37-558.43

Finding the Fourth Proportional to 1,024.18, 1,413.37 and 558.43

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Solution

The fourth proportional to 1,024.18, 1,413.37 and 558.43 is: 770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.18 : 1,413.37 = 558.43 : x
  2. Step 2: Convert to fraction form
    1,024.18/1,413.37 = 558.43/x
  3. Step 3: Cross multiply
    1,024.18x = 1,413.37 × 558.43
  4. Step 4: Simplify right side
    1,024.18x = 789,268.21
  5. Step 5: Solve for x
    x = 789,268.21/1,024.18
  6. Step 6: Final answer
    x = 770.63

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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.