Finding the Fourth Proportional to 741,261.12, 1,022,912.88 and 401,722.08
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Solution
The fourth proportional to 741,261.12, 1,022,912.88 and 401,722.08 is: 554,361.59
Step by Step Solution
- Step 1: Write the proportion equation
741,261.12 : 1,022,912.88 = 401,722.08 : x - Step 2: Convert to fraction form
741,261.12/1,022,912.88 = 401,722.08/x - Step 3: Cross multiply
741,261.12x = 1,022,912.88 × 401,722.08 - Step 4: Simplify right side
741,261.12x = 410,926,689,812.39 - Step 5: Solve for x
x = 410,926,689,812.39/741,261.12 - Step 6: Final answer
x = 554,361.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.