Finding the Fourth Proportional to 804,999, 1,207,716.29 and 272,520.09
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Solution
The fourth proportional to 804,999, 1,207,716.29 and 272,520.09 is: 408,853.86
Step by Step Solution
- Step 1: Write the proportion equation
804,999 : 1,207,716.29 = 272,520.09 : x - Step 2: Convert to fraction form
804,999/1,207,716.29 = 272,520.09/x - Step 3: Cross multiply
804,999x = 1,207,716.29 × 272,520.09 - Step 4: Simplify right side
804,999x = 329,126,950,682.67 - Step 5: Solve for x
x = 329,126,950,682.67/804,999 - Step 6: Final answer
x = 408,853.86
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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.