Home / 1,024.16-1,413.36-558.41

Finding the Fourth Proportional to 1,024.16, 1,413.36 and 558.41

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Solution

The fourth proportional to 1,024.16, 1,413.36 and 558.41 is: 770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.16 : 1,413.36 = 558.41 : x
  2. Step 2: Convert to fraction form
    1,024.16/1,413.36 = 558.41/x
  3. Step 3: Cross multiply
    1,024.16x = 1,413.36 × 558.41
  4. Step 4: Simplify right side
    1,024.16x = 789,234.36
  5. Step 5: Solve for x
    x = 789,234.36/1,024.16
  6. Step 6: Final answer
    x = 770.62

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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.