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Finding the Fourth Proportional to 846.67, 1,269.73 and 500.17

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Solution

The fourth proportional to 846.67, 1,269.73 and 500.17 is: 750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    846.67 : 1,269.73 = 500.17 : x
  2. Step 2: Convert to fraction form
    846.67/1,269.73 = 500.17/x
  3. Step 3: Cross multiply
    846.67x = 1,269.73 × 500.17
  4. Step 4: Simplify right side
    846.67x = 635,080.85
  5. Step 5: Solve for x
    x = 635,080.85/846.67
  6. Step 6: Final answer
    x = 750.09

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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.