Finding the Fourth Proportional to 757,997.14, 1,136,615.36 and 252,380.02
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Solution
The fourth proportional to 757,997.14, 1,136,615.36 and 252,380.02 is: 378,443.39
Step by Step Solution
- Step 1: Write the proportion equation
757,997.14 : 1,136,615.36 = 252,380.02 : x - Step 2: Convert to fraction form
757,997.14/1,136,615.36 = 252,380.02/x - Step 3: Cross multiply
757,997.14x = 1,136,615.36 × 252,380.02 - Step 4: Simplify right side
757,997.14x = 286,859,007,289.11 - Step 5: Solve for x
x = 286,859,007,289.11/757,997.14 - Step 6: Final answer
x = 378,443.39
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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.