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Finding the Fourth Proportional to 1,034.71, 1,550.10 and 514.09

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Solution

The fourth proportional to 1,034.71, 1,550.10 and 514.09 is: 770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.71 : 1,550.10 = 514.09 : x
  2. Step 2: Convert to fraction form
    1,034.71/1,550.10 = 514.09/x
  3. Step 3: Cross multiply
    1,034.71x = 1,550.10 × 514.09
  4. Step 4: Simplify right side
    1,034.71x = 796,890.91
  5. Step 5: Solve for x
    x = 796,890.91/1,034.71
  6. Step 6: Final answer
    x = 770.16

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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.