Finding the Fourth Proportional to 863,999.23, 1,192,319.69 and 482,026.09
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Solution
The fourth proportional to 863,999.23, 1,192,319.69 and 482,026.09 is: 665,196.42
Step by Step Solution
- Step 1: Write the proportion equation
863,999.23 : 1,192,319.69 = 482,026.09 : x - Step 2: Convert to fraction form
863,999.23/1,192,319.69 = 482,026.09/x - Step 3: Cross multiply
863,999.23x = 1,192,319.69 × 482,026.09 - Step 4: Simplify right side
863,999.23x = 574,729,198,200.71 - Step 5: Solve for x
x = 574,729,198,200.71/863,999.23 - Step 6: Final answer
x = 665,196.42
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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.