Home / 1,032.45-1,424.78-560.36

Finding the Fourth Proportional to 1,032.45, 1,424.78 and 560.36

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Solution

The fourth proportional to 1,032.45, 1,424.78 and 560.36 is: 773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.45 : 1,424.78 = 560.36 : x
  2. Step 2: Convert to fraction form
    1,032.45/1,424.78 = 560.36/x
  3. Step 3: Cross multiply
    1,032.45x = 1,424.78 × 560.36
  4. Step 4: Simplify right side
    1,032.45x = 798,379.80
  5. Step 5: Solve for x
    x = 798,379.80/1,032.45
  6. Step 6: Final answer
    x = 773.29

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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.