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Finding the Fourth Proportional to 1,014.43, 1,522.47 and 527.62

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Solution

The fourth proportional to 1,014.43, 1,522.47 and 527.62 is: 791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.43 : 1,522.47 = 527.62 : x
  2. Step 2: Convert to fraction form
    1,014.43/1,522.47 = 527.62/x
  3. Step 3: Cross multiply
    1,014.43x = 1,522.47 × 527.62
  4. Step 4: Simplify right side
    1,014.43x = 803,285.62
  5. Step 5: Solve for x
    x = 803,285.62/1,014.43
  6. Step 6: Final answer
    x = 791.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.