Finding the Fourth Proportional to 775,486.74, 1,163,230.38 and 243,049.08
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Solution
The fourth proportional to 775,486.74, 1,163,230.38 and 243,049.08 is: 364,573.70
Step by Step Solution
- Step 1: Write the proportion equation
775,486.74 : 1,163,230.38 = 243,049.08 : x - Step 2: Convert to fraction form
775,486.74/1,163,230.38 = 243,049.08/x - Step 3: Cross multiply
775,486.74x = 1,163,230.38 × 243,049.08 - Step 4: Simplify right side
775,486.74x = 282,722,073,687.05 - Step 5: Solve for x
x = 282,722,073,687.05/775,486.74 - Step 6: Final answer
x = 364,573.70
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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.