Finding the Fourth Proportional to 667,354.92, 920,950.18 and 365,553.96
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Solution
The fourth proportional to 667,354.92, 920,950.18 and 365,553.96 is: 504,464.68
Step by Step Solution
- Step 1: Write the proportion equation
667,354.92 : 920,950.18 = 365,553.96 : x - Step 2: Convert to fraction form
667,354.92/920,950.18 = 365,553.96/x - Step 3: Cross multiply
667,354.92x = 920,950.18 × 365,553.96 - Step 4: Simplify right side
667,354.92x = 336,656,985,261.71 - Step 5: Solve for x
x = 336,656,985,261.71/667,354.92 - Step 6: Final answer
x = 504,464.68
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1.5x scale
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.