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Finding the Fourth Proportional to 638,452.14, 957,960.33 and 334,773.78

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Solution

The fourth proportional to 638,452.14, 957,960.33 and 334,773.78 is: 502,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,452.14 : 957,960.33 = 334,773.78 : x
  2. Step 2: Convert to fraction form
    638,452.14/957,960.33 = 334,773.78/x
  3. Step 3: Cross multiply
    638,452.14x = 957,960.33 × 334,773.78
  4. Step 4: Simplify right side
    638,452.14x = 320,700,000,764.15
  5. Step 5: Solve for x
    x = 320,700,000,764.15/638,452.14
  6. Step 6: Final answer
    x = 502,308.60

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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.