Home / 1,039.09-1,433.87-573.35

Finding the Fourth Proportional to 1,039.09, 1,433.87 and 573.35

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Solution

The fourth proportional to 1,039.09, 1,433.87 and 573.35 is: 791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039.09 : 1,433.87 = 573.35 : x
  2. Step 2: Convert to fraction form
    1,039.09/1,433.87 = 573.35/x
  3. Step 3: Cross multiply
    1,039.09x = 1,433.87 × 573.35
  4. Step 4: Simplify right side
    1,039.09x = 822,102.20
  5. Step 5: Solve for x
    x = 822,102.20/1,039.09
  6. Step 6: Final answer
    x = 791.18

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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.