Finding the Fourth Proportional to 774,213.44, 1,161,125.28 and 275,460.80
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Solution
The fourth proportional to 774,213.44, 1,161,125.28 and 275,460.80 is: 413,121.86
Step by Step Solution
- Step 1: Write the proportion equation
774,213.44 : 1,161,125.28 = 275,460.80 : x - Step 2: Convert to fraction form
774,213.44/1,161,125.28 = 275,460.80/x - Step 3: Cross multiply
774,213.44x = 1,161,125.28 × 275,460.80 - Step 4: Simplify right side
774,213.44x = 319,844,498,529.02 - Step 5: Solve for x
x = 319,844,498,529.02/774,213.44 - Step 6: Final answer
x = 413,121.86
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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.