Finding the Fourth Proportional to 806,476.26, 1,209,717.57 and 326,713.13
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Solution
The fourth proportional to 806,476.26, 1,209,717.57 and 326,713.13 is: 490,070.99
Step by Step Solution
- Step 1: Write the proportion equation
806,476.26 : 1,209,717.57 = 326,713.13 : x - Step 2: Convert to fraction form
806,476.26/1,209,717.57 = 326,713.13/x - Step 3: Cross multiply
806,476.26x = 1,209,717.57 × 326,713.13 - Step 4: Simplify right side
806,476.26x = 395,230,618,390.62 - Step 5: Solve for x
x = 395,230,618,390.62/806,476.26 - Step 6: Final answer
x = 490,070.99
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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.