Finding the Fourth Proportional to 667,514.40, 921,193.36 and 365,708.64
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Solution
The fourth proportional to 667,514.40, 921,193.36 and 365,708.64 is: 504,690.79
Step by Step Solution
- Step 1: Write the proportion equation
667,514.40 : 921,193.36 = 365,708.64 : x - Step 2: Convert to fraction form
667,514.40/921,193.36 = 365,708.64/x - Step 3: Cross multiply
667,514.40x = 921,193.36 × 365,708.64 - Step 4: Simplify right side
667,514.40x = 336,888,370,862.63 - Step 5: Solve for x
x = 336,888,370,862.63/667,514.40 - Step 6: Final answer
x = 504,690.79
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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.