Finding the Fourth Proportional to 802,163.16, 1,106,879.92 and 479,755.62
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Solution
The fourth proportional to 802,163.16, 1,106,879.92 and 479,755.62 is: 661,999.81
Step by Step Solution
- Step 1: Write the proportion equation
802,163.16 : 1,106,879.92 = 479,755.62 : x - Step 2: Convert to fraction form
802,163.16/1,106,879.92 = 479,755.62/x - Step 3: Cross multiply
802,163.16x = 1,106,879.92 × 479,755.62 - Step 4: Simplify right side
802,163.16x = 531,031,861,085.76 - Step 5: Solve for x
x = 531,031,861,085.76/802,163.16 - Step 6: Final answer
x = 661,999.81
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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.