Finding the Fourth Proportional to 853,161.76, 1,279,611.12 and 284,552.80
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Solution
The fourth proportional to 853,161.76, 1,279,611.12 and 284,552.80 is: 426,785.33
Step by Step Solution
- Step 1: Write the proportion equation
853,161.76 : 1,279,611.12 = 284,552.80 : x - Step 2: Convert to fraction form
853,161.76/1,279,611.12 = 284,552.80/x - Step 3: Cross multiply
853,161.76x = 1,279,611.12 × 284,552.80 - Step 4: Simplify right side
853,161.76x = 364,116,927,107.14 - Step 5: Solve for x
x = 364,116,927,107.14/853,161.76 - Step 6: Final answer
x = 426,785.33
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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.