Finding the Fourth Proportional to 775,496.75, 1,163,245.55 and 354,477.38
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Solution
The fourth proportional to 775,496.75, 1,163,245.55 and 354,477.38 is: 531,716.26
Step by Step Solution
- Step 1: Write the proportion equation
775,496.75 : 1,163,245.55 = 354,477.38 : x - Step 2: Convert to fraction form
775,496.75/1,163,245.55 = 354,477.38/x - Step 3: Cross multiply
775,496.75x = 1,163,245.55 × 354,477.38 - Step 4: Simplify right side
775,496.75x = 412,344,227,272.04 - Step 5: Solve for x
x = 412,344,227,272.04/775,496.75 - Step 6: Final answer
x = 531,716.26
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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.