Finding the Fourth Proportional to 757,794.11, 1,136,872.81 and 252,359.46
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Solution
The fourth proportional to 757,794.11, 1,136,872.81 and 252,359.46 is: 378,599.68
Step by Step Solution
- Step 1: Write the proportion equation
757,794.11 : 1,136,872.81 = 252,359.46 : x - Step 2: Convert to fraction form
757,794.11/1,136,872.81 = 252,359.46/x - Step 3: Cross multiply
757,794.11x = 1,136,872.81 × 252,359.46 - Step 4: Simplify right side
757,794.11x = 286,900,607,158.49 - Step 5: Solve for x
x = 286,900,607,158.49/757,794.11 - Step 6: Final answer
x = 378,599.68
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1.5x scale
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.