Finding the Fourth Proportional to 669,231.45, 923,540.13 and 363,307.68
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Solution
The fourth proportional to 669,231.45, 923,540.13 and 363,307.68 is: 501,364.99
Step by Step Solution
- Step 1: Write the proportion equation
669,231.45 : 923,540.13 = 363,307.68 : x - Step 2: Convert to fraction form
669,231.45/923,540.13 = 363,307.68/x - Step 3: Cross multiply
669,231.45x = 923,540.13 × 363,307.68 - Step 4: Simplify right side
669,231.45x = 335,529,222,017.20 - Step 5: Solve for x
x = 335,529,222,017.20/669,231.45 - Step 6: Final answer
x = 501,364.99
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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.