Finding the Fourth Proportional to 775,487.24, 1,163,231.13 and 243,049.58
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Solution
The fourth proportional to 775,487.24, 1,163,231.13 and 243,049.58 is: 364,574.45
Step by Step Solution
- Step 1: Write the proportion equation
775,487.24 : 1,163,231.13 = 243,049.58 : x - Step 2: Convert to fraction form
775,487.24/1,163,231.13 = 243,049.58/x - Step 3: Cross multiply
775,487.24x = 1,163,231.13 × 243,049.58 - Step 4: Simplify right side
775,487.24x = 282,722,837,589.43 - Step 5: Solve for x
x = 282,722,837,589.43/775,487.24 - Step 6: Final answer
x = 364,574.45
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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.