Finding the Fourth Proportional to 775,737.62, 1,163,236.58 and 270,236.42
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Solution
The fourth proportional to 775,737.62, 1,163,236.58 and 270,236.42 is: 405,225.78
Step by Step Solution
- Step 1: Write the proportion equation
775,737.62 : 1,163,236.58 = 270,236.42 : x - Step 2: Convert to fraction form
775,737.62/1,163,236.58 = 270,236.42/x - Step 3: Cross multiply
775,737.62x = 1,163,236.58 × 270,236.42 - Step 4: Simplify right side
775,737.62x = 314,348,883,851.65 - Step 5: Solve for x
x = 314,348,883,851.65/775,737.62 - Step 6: Final answer
x = 405,225.78
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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.