Finding the Fourth Proportional to 744,891.29, 1,027,946.09 and 405,361.97
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Solution
The fourth proportional to 744,891.29, 1,027,946.09 and 405,361.97 is: 559,397.40
Step by Step Solution
- Step 1: Write the proportion equation
744,891.29 : 1,027,946.09 = 405,361.97 : x - Step 2: Convert to fraction form
744,891.29/1,027,946.09 = 405,361.97/x - Step 3: Cross multiply
744,891.29x = 1,027,946.09 × 405,361.97 - Step 4: Simplify right side
744,891.29x = 416,690,252,096.20 - Step 5: Solve for x
x = 416,690,252,096.20/744,891.29 - Step 6: Final answer
x = 559,397.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.