Finding the Fourth Proportional to 756,738.05, 1,135,102.97 and 324,391.84
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Solution
The fourth proportional to 756,738.05, 1,135,102.97 and 324,391.84 is: 486,586.00
Step by Step Solution
- Step 1: Write the proportion equation
756,738.05 : 1,135,102.97 = 324,391.84 : x - Step 2: Convert to fraction form
756,738.05/1,135,102.97 = 324,391.84/x - Step 3: Cross multiply
756,738.05x = 1,135,102.97 × 324,391.84 - Step 4: Simplify right side
756,738.05x = 368,218,137,176.28 - Step 5: Solve for x
x = 368,218,137,176.28/756,738.05 - Step 6: Final answer
x = 486,586.00
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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.