Finding the Fourth Proportional to 852,516.96, 1,278,979.80 and 283,902.98
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Solution
The fourth proportional to 852,516.96, 1,278,979.80 and 283,902.98 is: 425,922.53
Step by Step Solution
- Step 1: Write the proportion equation
852,516.96 : 1,278,979.80 = 283,902.98 : x - Step 2: Convert to fraction form
852,516.96/1,278,979.80 = 283,902.98/x - Step 3: Cross multiply
852,516.96x = 1,278,979.80 × 283,902.98 - Step 4: Simplify right side
852,516.96x = 363,106,179,911.66 - Step 5: Solve for x
x = 363,106,179,911.66/852,516.96 - Step 6: Final answer
x = 425,922.53
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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.