Home / 1,040.21-1,435.43-598.01

Finding the Fourth Proportional to 1,040.21, 1,435.43 and 598.01

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Solution

The fourth proportional to 1,040.21, 1,435.43 and 598.01 is: 825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.21 : 1,435.43 = 598.01 : x
  2. Step 2: Convert to fraction form
    1,040.21/1,435.43 = 598.01/x
  3. Step 3: Cross multiply
    1,040.21x = 1,435.43 × 598.01
  4. Step 4: Simplify right side
    1,040.21x = 858,395.81
  5. Step 5: Solve for x
    x = 858,395.81/1,040.21
  6. Step 6: Final answer
    x = 825.22

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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.