Finding the Fourth Proportional to 850,679.82, 1,276,136.37 and 377,354.70
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Solution
The fourth proportional to 850,679.82, 1,276,136.37 and 377,354.70 is: 566,083.79
Step by Step Solution
- Step 1: Write the proportion equation
850,679.82 : 1,276,136.37 = 377,354.70 : x - Step 2: Convert to fraction form
850,679.82/1,276,136.37 = 377,354.70/x - Step 3: Cross multiply
850,679.82x = 1,276,136.37 × 377,354.70 - Step 4: Simplify right side
850,679.82x = 481,556,057,060.44 - Step 5: Solve for x
x = 481,556,057,060.44/850,679.82 - Step 6: Final answer
x = 566,083.79
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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.