Finding the Fourth Proportional to 703,618.11, 1,055,428.11 and 494,190.99
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Solution
The fourth proportional to 703,618.11, 1,055,428.11 and 494,190.99 is: 741,287.15
Step by Step Solution
- Step 1: Write the proportion equation
703,618.11 : 1,055,428.11 = 494,190.99 : x - Step 2: Convert to fraction form
703,618.11/1,055,428.11 = 494,190.99/x - Step 3: Cross multiply
703,618.11x = 1,055,428.11 × 494,190.99 - Step 4: Simplify right side
703,618.11x = 521,583,062,554.73 - Step 5: Solve for x
x = 521,583,062,554.73/703,618.11 - Step 6: Final answer
x = 741,287.15
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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.