Home / 1,040.03-1,435.14-574.28

Finding the Fourth Proportional to 1,040.03, 1,435.14 and 574.28

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Solution

The fourth proportional to 1,040.03, 1,435.14 and 574.28 is: 792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040.03 : 1,435.14 = 574.28 : x
  2. Step 2: Convert to fraction form
    1,040.03/1,435.14 = 574.28/x
  3. Step 3: Cross multiply
    1,040.03x = 1,435.14 × 574.28
  4. Step 4: Simplify right side
    1,040.03x = 824,172.20
  5. Step 5: Solve for x
    x = 824,172.20/1,040.03
  6. Step 6: Final answer
    x = 792.45

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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.