Finding the Fourth Proportional to 806,115.82, 1,207,845.13 and 468,207.92
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Solution
The fourth proportional to 806,115.82, 1,207,845.13 and 468,207.92 is: 701,540.20
Step by Step Solution
- Step 1: Write the proportion equation
806,115.82 : 1,207,845.13 = 468,207.92 : x - Step 2: Convert to fraction form
806,115.82/1,207,845.13 = 468,207.92/x - Step 3: Cross multiply
806,115.82x = 1,207,845.13 × 468,207.92 - Step 4: Simplify right side
806,115.82x = 565,522,655,999.43 - Step 5: Solve for x
x = 565,522,655,999.43/806,115.82 - Step 6: Final answer
x = 701,540.20
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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.