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Finding the Fourth Proportional to 1,006.52, 1,512.46 and 544.64

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Solution

The fourth proportional to 1,006.52, 1,512.46 and 544.64 is: 818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006.52 : 1,512.46 = 544.64 : x
  2. Step 2: Convert to fraction form
    1,006.52/1,512.46 = 544.64/x
  3. Step 3: Cross multiply
    1,006.52x = 1,512.46 × 544.64
  4. Step 4: Simplify right side
    1,006.52x = 823,746.21
  5. Step 5: Solve for x
    x = 823,746.21/1,006.52
  6. Step 6: Final answer
    x = 818.41

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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.