Finding the Fourth Proportional to 512,796.54, 707,644.33 and 283,350.18
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Solution
The fourth proportional to 512,796.54, 707,644.33 and 283,350.18 is: 391,015.02
Step by Step Solution
- Step 1: Write the proportion equation
512,796.54 : 707,644.33 = 283,350.18 : x - Step 2: Convert to fraction form
512,796.54/707,644.33 = 283,350.18/x - Step 3: Cross multiply
512,796.54x = 707,644.33 × 283,350.18 - Step 4: Simplify right side
512,796.54x = 200,511,147,573.10 - Step 5: Solve for x
x = 200,511,147,573.10/512,796.54 - Step 6: Final answer
x = 391,015.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.