Finding the Fourth Proportional to 744,266.97, 1,115,366.18 and 388,571.46
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Solution
The fourth proportional to 744,266.97, 1,115,366.18 and 388,571.46 is: 582,317.22
Step by Step Solution
- Step 1: Write the proportion equation
744,266.97 : 1,115,366.18 = 388,571.46 : x - Step 2: Convert to fraction form
744,266.97/1,115,366.18 = 388,571.46/x - Step 3: Cross multiply
744,266.97x = 1,115,366.18 × 388,571.46 - Step 4: Simplify right side
744,266.97x = 433,399,467,299.92 - Step 5: Solve for x
x = 433,399,467,299.92/744,266.97 - Step 6: Final answer
x = 582,317.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.