Home / 1,040.75-1,436.11-598.79

Finding the Fourth Proportional to 1,040.75, 1,436.11 and 598.79

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Solution

The fourth proportional to 1,040.75, 1,436.11 and 598.79 is: 826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.75 : 1,436.11 = 598.79 : x
  2. Step 2: Convert to fraction form
    1,040.75/1,436.11 = 598.79/x
  3. Step 3: Cross multiply
    1,040.75x = 1,436.11 × 598.79
  4. Step 4: Simplify right side
    1,040.75x = 859,933.77
  5. Step 5: Solve for x
    x = 859,933.77/1,040.75
  6. Step 6: Final answer
    x = 826.26

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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.