Home / 1,040.28-1,435.44-598.02

Finding the Fourth Proportional to 1,040.28, 1,435.44 and 598.02

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Solution

The fourth proportional to 1,040.28, 1,435.44 and 598.02 is: 825.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.28 : 1,435.44 = 598.02 : x
  2. Step 2: Convert to fraction form
    1,040.28/1,435.44 = 598.02/x
  3. Step 3: Cross multiply
    1,040.28x = 1,435.44 × 598.02
  4. Step 4: Simplify right side
    1,040.28x = 858,421.83
  5. Step 5: Solve for x
    x = 858,421.83/1,040.28
  6. Step 6: Final answer
    x = 825.18

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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.