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Finding the Fourth Proportional to 1,023.03, 1,411.82 and 574.92

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Solution

The fourth proportional to 1,023.03, 1,411.82 and 574.92 is: 793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023.03 : 1,411.82 = 574.92 : x
  2. Step 2: Convert to fraction form
    1,023.03/1,411.82 = 574.92/x
  3. Step 3: Cross multiply
    1,023.03x = 1,411.82 × 574.92
  4. Step 4: Simplify right side
    1,023.03x = 811,680.68
  5. Step 5: Solve for x
    x = 811,680.68/1,023.03
  6. Step 6: Final answer
    x = 793.41

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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.