Home / 1,024.03-1,413.16-558.28

Finding the Fourth Proportional to 1,024.03, 1,413.16 and 558.28

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Solution

The fourth proportional to 1,024.03, 1,413.16 and 558.28 is: 770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.03 : 1,413.16 = 558.28 : x
  2. Step 2: Convert to fraction form
    1,024.03/1,413.16 = 558.28/x
  3. Step 3: Cross multiply
    1,024.03x = 1,413.16 × 558.28
  4. Step 4: Simplify right side
    1,024.03x = 788,942.48
  5. Step 5: Solve for x
    x = 788,942.48/1,024.03
  6. Step 6: Final answer
    x = 770.43

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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.