Finding the Fourth Proportional to 764,370.66, 1,146,581.88 and 203,405.70
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Solution
The fourth proportional to 764,370.66, 1,146,581.88 and 203,405.70 is: 305,115.44
Step by Step Solution
- Step 1: Write the proportion equation
764,370.66 : 1,146,581.88 = 203,405.70 : x - Step 2: Convert to fraction form
764,370.66/1,146,581.88 = 203,405.70/x - Step 3: Cross multiply
764,370.66x = 1,146,581.88 × 203,405.70 - Step 4: Simplify right side
764,370.66x = 233,221,289,908.72 - Step 5: Solve for x
x = 233,221,289,908.72/764,370.66 - Step 6: Final answer
x = 305,115.44
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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.