Finding the Fourth Proportional to 994,035.80, 1,491,053.70 and 320,115.80
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Solution
The fourth proportional to 994,035.80, 1,491,053.70 and 320,115.80 is: 480,173.70
Step by Step Solution
- Step 1: Write the proportion equation
994,035.80 : 1,491,053.70 = 320,115.80 : x - Step 2: Convert to fraction form
994,035.80/1,491,053.70 = 320,115.80/x - Step 3: Cross multiply
994,035.80x = 1,491,053.70 × 320,115.80 - Step 4: Simplify right side
994,035.80x = 477,309,848,018.46 - Step 5: Solve for x
x = 477,309,848,018.46/994,035.80 - Step 6: Final answer
x = 480,173.70
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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.