Home / 1,040.36-1,435.59-598.18

Finding the Fourth Proportional to 1,040.36, 1,435.59 and 598.18

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Solution

The fourth proportional to 1,040.36, 1,435.59 and 598.18 is: 825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.36 : 1,435.59 = 598.18 : x
  2. Step 2: Convert to fraction form
    1,040.36/1,435.59 = 598.18/x
  3. Step 3: Cross multiply
    1,040.36x = 1,435.59 × 598.18
  4. Step 4: Simplify right side
    1,040.36x = 858,734.05
  5. Step 5: Solve for x
    x = 858,734.05/1,040.36
  6. Step 6: Final answer
    x = 825.42

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1.5x scale

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.