Finding the Fourth Proportional to 667,733.62, 921,467.73 and 365,921.14
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Solution
The fourth proportional to 667,733.62, 921,467.73 and 365,921.14 is: 504,968.62
Step by Step Solution
- Step 1: Write the proportion equation
667,733.62 : 921,467.73 = 365,921.14 : x - Step 2: Convert to fraction form
667,733.62/921,467.73 = 365,921.14/x - Step 3: Cross multiply
667,733.62x = 921,467.73 × 365,921.14 - Step 4: Simplify right side
667,733.62x = 337,184,522,234.81 - Step 5: Solve for x
x = 337,184,522,234.81/667,733.62 - Step 6: Final answer
x = 504,968.62
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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.