Finding the Fourth Proportional to 540,635.49, 811,286.75 and 274,586.94
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Solution
The fourth proportional to 540,635.49, 811,286.75 and 274,586.94 is: 412,049.80
Step by Step Solution
- Step 1: Write the proportion equation
540,635.49 : 811,286.75 = 274,586.94 : x - Step 2: Convert to fraction form
540,635.49/811,286.75 = 274,586.94/x - Step 3: Cross multiply
540,635.49x = 811,286.75 × 274,586.94 - Step 4: Simplify right side
540,635.49x = 222,768,746,831.51 - Step 5: Solve for x
x = 222,768,746,831.51/540,635.49 - Step 6: Final answer
x = 412,049.80
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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.