Home / 809,327.10-1,214,136.45-336,060.30

Finding the Fourth Proportional to 809,327.10, 1,214,136.45 and 336,060.30

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Solution

The fourth proportional to 809,327.10, 1,214,136.45 and 336,060.30 is: 504,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,327.10 : 1,214,136.45 = 336,060.30 : x
  2. Step 2: Convert to fraction form
    809,327.10/1,214,136.45 = 336,060.30/x
  3. Step 3: Cross multiply
    809,327.10x = 1,214,136.45 × 336,060.30
  4. Step 4: Simplify right side
    809,327.10x = 408,023,059,627.94
  5. Step 5: Solve for x
    x = 408,023,059,627.94/809,327.10
  6. Step 6: Final answer
    x = 504,150.99

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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.