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Finding the Fourth Proportional to 676.47, 1,009.81 and 594.46

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Solution

The fourth proportional to 676.47, 1,009.81 and 594.46 is: 887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    676.47 : 1,009.81 = 594.46 : x
  2. Step 2: Convert to fraction form
    676.47/1,009.81 = 594.46/x
  3. Step 3: Cross multiply
    676.47x = 1,009.81 × 594.46
  4. Step 4: Simplify right side
    676.47x = 600,286.60
  5. Step 5: Solve for x
    x = 600,286.60/676.47
  6. Step 6: Final answer
    x = 887.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.