Finding the Fourth Proportional to 667,661.44, 921,342.72 and 365,848.96
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Solution
The fourth proportional to 667,661.44, 921,342.72 and 365,848.96 is: 504,855.09
Step by Step Solution
- Step 1: Write the proportion equation
667,661.44 : 921,342.72 = 365,848.96 : x - Step 2: Convert to fraction form
667,661.44/921,342.72 = 365,848.96/x - Step 3: Cross multiply
667,661.44x = 921,342.72 × 365,848.96 - Step 4: Simplify right side
667,661.44x = 337,072,275,915.57 - Step 5: Solve for x
x = 337,072,275,915.57/667,661.44 - Step 6: Final answer
x = 504,855.09
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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.