Finding the Fourth Proportional to 739,185.89, 1,108,778.99 and 259,790.03
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Solution
The fourth proportional to 739,185.89, 1,108,778.99 and 259,790.03 is: 389,685.09
Step by Step Solution
- Step 1: Write the proportion equation
739,185.89 : 1,108,778.99 = 259,790.03 : x - Step 2: Convert to fraction form
739,185.89/1,108,778.99 = 259,790.03/x - Step 3: Cross multiply
739,185.89x = 1,108,778.99 × 259,790.03 - Step 4: Simplify right side
739,185.89x = 288,049,722,181.05 - Step 5: Solve for x
x = 288,049,722,181.05/739,185.89 - Step 6: Final answer
x = 389,685.09
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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.