Finding the Fourth Proportional to 701,018.09, 967,405.44 and 378,728.07
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Solution
The fourth proportional to 701,018.09, 967,405.44 and 378,728.07 is: 522,644.99
Step by Step Solution
- Step 1: Write the proportion equation
701,018.09 : 967,405.44 = 378,728.07 : x - Step 2: Convert to fraction form
701,018.09/967,405.44 = 378,728.07/x - Step 3: Cross multiply
701,018.09x = 967,405.44 × 378,728.07 - Step 4: Simplify right side
701,018.09x = 366,383,595,198.70 - Step 5: Solve for x
x = 366,383,595,198.70/701,018.09 - Step 6: Final answer
x = 522,644.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.