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Finding the Fourth Proportional to 755.38, 1,041.62 and 597.76

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Solution

The fourth proportional to 755.38, 1,041.62 and 597.76 is: 824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.38 : 1,041.62 = 597.76 : x
  2. Step 2: Convert to fraction form
    755.38/1,041.62 = 597.76/x
  3. Step 3: Cross multiply
    755.38x = 1,041.62 × 597.76
  4. Step 4: Simplify right side
    755.38x = 622,637.66
  5. Step 5: Solve for x
    x = 622,637.66/755.38
  6. Step 6: Final answer
    x = 824.27

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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.