Finding the Fourth Proportional to 852,922.60, 1,278,564.70 and 663,277.80
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Solution
The fourth proportional to 852,922.60, 1,278,564.70 and 663,277.80 is: 994,279.65
Step by Step Solution
- Step 1: Write the proportion equation
852,922.60 : 1,278,564.70 = 663,277.80 : x - Step 2: Convert to fraction form
852,922.60/1,278,564.70 = 663,277.80/x - Step 3: Cross multiply
852,922.60x = 1,278,564.70 × 663,277.80 - Step 4: Simplify right side
852,922.60x = 848,043,581,373.66 - Step 5: Solve for x
x = 848,043,581,373.66/852,922.60 - Step 6: Final answer
x = 994,279.65
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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.