Finding the Fourth Proportional to 634,843.62, 876,082.94 and 344,455.09
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Solution
The fourth proportional to 634,843.62, 876,082.94 and 344,455.09 is: 475,347.34
Step by Step Solution
- Step 1: Write the proportion equation
634,843.62 : 876,082.94 = 344,455.09 : x - Step 2: Convert to fraction form
634,843.62/876,082.94 = 344,455.09/x - Step 3: Cross multiply
634,843.62x = 876,082.94 × 344,455.09 - Step 4: Simplify right side
634,843.62x = 301,771,227,945.17 - Step 5: Solve for x
x = 301,771,227,945.17/634,843.62 - Step 6: Final answer
x = 475,347.34
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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.