Finding the Fourth Proportional to 848,950.68, 1,273,583.52 and 280,371.18
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Solution
The fourth proportional to 848,950.68, 1,273,583.52 and 280,371.18 is: 420,608.79
Step by Step Solution
- Step 1: Write the proportion equation
848,950.68 : 1,273,583.52 = 280,371.18 : x - Step 2: Convert to fraction form
848,950.68/1,273,583.52 = 280,371.18/x - Step 3: Cross multiply
848,950.68x = 1,273,583.52 × 280,371.18 - Step 4: Simplify right side
848,950.68x = 357,076,114,330.95 - Step 5: Solve for x
x = 357,076,114,330.95/848,950.68 - Step 6: Final answer
x = 420,608.79
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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.