Finding the Fourth Proportional to 824,716.99, 1,236,687.29 and 319,514.52
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Solution
The fourth proportional to 824,716.99, 1,236,687.29 and 319,514.52 is: 479,121.39
Step by Step Solution
- Step 1: Write the proportion equation
824,716.99 : 1,236,687.29 = 319,514.52 : x - Step 2: Convert to fraction form
824,716.99/1,236,687.29 = 319,514.52/x - Step 3: Cross multiply
824,716.99x = 1,236,687.29 × 319,514.52 - Step 4: Simplify right side
824,716.99x = 395,139,551,889.90 - Step 5: Solve for x
x = 395,139,551,889.90/824,716.99 - Step 6: Final answer
x = 479,121.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.