Finding the Fourth Proportional to 512,982.24, 769,629.04 and 363,511.68
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Solution
The fourth proportional to 512,982.24, 769,629.04 and 363,511.68 is: 545,377.84
Step by Step Solution
- Step 1: Write the proportion equation
512,982.24 : 769,629.04 = 363,511.68 : x - Step 2: Convert to fraction form
512,982.24/769,629.04 = 363,511.68/x - Step 3: Cross multiply
512,982.24x = 769,629.04 × 363,511.68 - Step 4: Simplify right side
512,982.24x = 279,769,145,307.19 - Step 5: Solve for x
x = 279,769,145,307.19/512,982.24 - Step 6: Final answer
x = 545,377.84
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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.