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Finding the Fourth Proportional to 490,188.96, 735,913.13 and 377,940.47

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Solution

The fourth proportional to 490,188.96, 735,913.13 and 377,940.47 is: 567,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,188.96 : 735,913.13 = 377,940.47 : x
  2. Step 2: Convert to fraction form
    490,188.96/735,913.13 = 377,940.47/x
  3. Step 3: Cross multiply
    490,188.96x = 735,913.13 × 377,940.47
  4. Step 4: Simplify right side
    490,188.96x = 278,131,348,662.10
  5. Step 5: Solve for x
    x = 278,131,348,662.10/490,188.96
  6. Step 6: Final answer
    x = 567,396.19

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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.