Finding the Fourth Proportional to 669,351.64, 923,713.20 and 363,431.68
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Solution
The fourth proportional to 669,351.64, 923,713.20 and 363,431.68 is: 501,540.03
Step by Step Solution
- Step 1: Write the proportion equation
669,351.64 : 923,713.20 = 363,431.68 : x - Step 2: Convert to fraction form
669,351.64/923,713.20 = 363,431.68/x - Step 3: Cross multiply
669,351.64x = 923,713.20 × 363,431.68 - Step 4: Simplify right side
669,351.64x = 335,706,640,114.18 - Step 5: Solve for x
x = 335,706,640,114.18/669,351.64 - Step 6: Final answer
x = 501,540.03
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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.