Finding the Fourth Proportional to 764,290.46, 1,146,434.34 and 203,324.96
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Solution
The fourth proportional to 764,290.46, 1,146,434.34 and 203,324.96 is: 304,987.08
Step by Step Solution
- Step 1: Write the proportion equation
764,290.46 : 1,146,434.34 = 203,324.96 : x - Step 2: Convert to fraction form
764,290.46/1,146,434.34 = 203,324.96/x - Step 3: Cross multiply
764,290.46x = 1,146,434.34 × 203,324.96 - Step 4: Simplify right side
764,290.46x = 233,098,716,323.13 - Step 5: Solve for x
x = 233,098,716,323.13/764,290.46 - Step 6: Final answer
x = 304,987.08
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1.5x scale
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.