Finding the Fourth Proportional to 774,806.76, 1,162,236.36 and 206,188.41
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Solution
The fourth proportional to 774,806.76, 1,162,236.36 and 206,188.41 is: 309,289.59
Step by Step Solution
- Step 1: Write the proportion equation
774,806.76 : 1,162,236.36 = 206,188.41 : x - Step 2: Convert to fraction form
774,806.76/1,162,236.36 = 206,188.41/x - Step 3: Cross multiply
774,806.76x = 1,162,236.36 × 206,188.41 - Step 4: Simplify right side
774,806.76x = 239,639,667,112.59 - Step 5: Solve for x
x = 239,639,667,112.59/774,806.76 - Step 6: Final answer
x = 309,289.59
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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.