Home / 1,040.98-1,436.54-575.23

Finding the Fourth Proportional to 1,040.98, 1,436.54 and 575.23

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Solution

The fourth proportional to 1,040.98, 1,436.54 and 575.23 is: 793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.98 : 1,436.54 = 575.23 : x
  2. Step 2: Convert to fraction form
    1,040.98/1,436.54 = 575.23/x
  3. Step 3: Cross multiply
    1,040.98x = 1,436.54 × 575.23
  4. Step 4: Simplify right side
    1,040.98x = 826,338.03
  5. Step 5: Solve for x
    x = 826,338.03/1,040.98
  6. Step 6: Final answer
    x = 793.81

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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.