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Finding the Fourth Proportional to 884.46, 1,326.91 and 624.98

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Solution

The fourth proportional to 884.46, 1,326.91 and 624.98 is: 937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.46 : 1,326.91 = 624.98 : x
  2. Step 2: Convert to fraction form
    884.46/1,326.91 = 624.98/x
  3. Step 3: Cross multiply
    884.46x = 1,326.91 × 624.98
  4. Step 4: Simplify right side
    884.46x = 829,284.01
  5. Step 5: Solve for x
    x = 829,284.01/884.46
  6. Step 6: Final answer
    x = 937.62

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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.