Finding the Fourth Proportional to 841,689.29, 1,161,531.23 and 459,716.99
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Solution
The fourth proportional to 841,689.29, 1,161,531.23 and 459,716.99 is: 634,409.44
Step by Step Solution
- Step 1: Write the proportion equation
841,689.29 : 1,161,531.23 = 459,716.99 : x - Step 2: Convert to fraction form
841,689.29/1,161,531.23 = 459,716.99/x - Step 3: Cross multiply
841,689.29x = 1,161,531.23 × 459,716.99 - Step 4: Simplify right side
841,689.29x = 533,975,632,740.36 - Step 5: Solve for x
x = 533,975,632,740.36/841,689.29 - Step 6: Final answer
x = 634,409.44
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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.