Finding the Fourth Proportional to 757,998.14, 1,136,616.87 and 252,381.02
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Solution
The fourth proportional to 757,998.14, 1,136,616.87 and 252,381.02 is: 378,444.89
Step by Step Solution
- Step 1: Write the proportion equation
757,998.14 : 1,136,616.87 = 252,381.02 : x - Step 2: Convert to fraction form
757,998.14/1,136,616.87 = 252,381.02/x - Step 3: Cross multiply
757,998.14x = 1,136,616.87 × 252,381.02 - Step 4: Simplify right side
757,998.14x = 286,860,524,999.81 - Step 5: Solve for x
x = 286,860,524,999.81/757,998.14 - Step 6: Final answer
x = 378,444.89
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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.