Finding the Fourth Proportional to 848,951.18, 1,273,584.28 and 280,371.68
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Solution
The fourth proportional to 848,951.18, 1,273,584.28 and 280,371.68 is: 420,609.54
Step by Step Solution
- Step 1: Write the proportion equation
848,951.18 : 1,273,584.28 = 280,371.68 : x - Step 2: Convert to fraction form
848,951.18/1,273,584.28 = 280,371.68/x - Step 3: Cross multiply
848,951.18x = 1,273,584.28 × 280,371.68 - Step 4: Simplify right side
848,951.18x = 357,076,964,205.19 - Step 5: Solve for x
x = 357,076,964,205.19/848,951.18 - Step 6: Final answer
x = 420,609.54
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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.