Home / 809,330.60-1,214,141.70-336,063.80

Finding the Fourth Proportional to 809,330.60, 1,214,141.70 and 336,063.80

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Solution

The fourth proportional to 809,330.60, 1,214,141.70 and 336,063.80 is: 504,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,330.60 : 1,214,141.70 = 336,063.80 : x
  2. Step 2: Convert to fraction form
    809,330.60/1,214,141.70 = 336,063.80/x
  3. Step 3: Cross multiply
    809,330.60x = 1,214,141.70 × 336,063.80
  4. Step 4: Simplify right side
    809,330.60x = 408,029,073,440.46
  5. Step 5: Solve for x
    x = 408,029,073,440.46/809,330.60
  6. Step 6: Final answer
    x = 504,156.24

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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.