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Finding the Fourth Proportional to 494,906.30, 743,914.65 and 485,575.10

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Solution

The fourth proportional to 494,906.30, 743,914.65 and 485,575.10 is: 729,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,906.30 : 743,914.65 = 485,575.10 : x
  2. Step 2: Convert to fraction form
    494,906.30/743,914.65 = 485,575.10/x
  3. Step 3: Cross multiply
    494,906.30x = 743,914.65 × 485,575.10
  4. Step 4: Simplify right side
    494,906.30x = 361,226,430,565.22
  5. Step 5: Solve for x
    x = 361,226,430,565.22/494,906.30
  6. Step 6: Final answer
    x = 729,888.53

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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.