Finding the Fourth Proportional to 848,801.28, 1,273,202.16 and 217,715.08
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Solution
The fourth proportional to 848,801.28, 1,273,202.16 and 217,715.08 is: 326,572.68
Step by Step Solution
- Step 1: Write the proportion equation
848,801.28 : 1,273,202.16 = 217,715.08 : x - Step 2: Convert to fraction form
848,801.28/1,273,202.16 = 217,715.08/x - Step 3: Cross multiply
848,801.28x = 1,273,202.16 × 217,715.08 - Step 4: Simplify right side
848,801.28x = 277,195,310,120.57 - Step 5: Solve for x
x = 277,195,310,120.57/848,801.28 - Step 6: Final answer
x = 326,572.68
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1.5x scale
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.