Home / 1,040.13-1,435.59-598.05

Finding the Fourth Proportional to 1,040.13, 1,435.59 and 598.05

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Solution

The fourth proportional to 1,040.13, 1,435.59 and 598.05 is: 825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.13 : 1,435.59 = 598.05 : x
  2. Step 2: Convert to fraction form
    1,040.13/1,435.59 = 598.05/x
  3. Step 3: Cross multiply
    1,040.13x = 1,435.59 × 598.05
  4. Step 4: Simplify right side
    1,040.13x = 858,554.60
  5. Step 5: Solve for x
    x = 858,554.60/1,040.13
  6. Step 6: Final answer
    x = 825.43

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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.