Finding the Fourth Proportional to 809,021.80, 1,213,532.70 and 494,093.80
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Solution
The fourth proportional to 809,021.80, 1,213,532.70 and 494,093.80 is: 741,140.70
Step by Step Solution
- Step 1: Write the proportion equation
809,021.80 : 1,213,532.70 = 494,093.80 : x - Step 2: Convert to fraction form
809,021.80/1,213,532.70 = 494,093.80/x - Step 3: Cross multiply
809,021.80x = 1,213,532.70 × 494,093.80 - Step 4: Simplify right side
809,021.80x = 599,598,983,167.26 - Step 5: Solve for x
x = 599,598,983,167.26/809,021.80 - Step 6: Final answer
x = 741,140.70
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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.