Finding the Fourth Proportional to 512,249.67, 706,247.37 and 420,029.19
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Solution
The fourth proportional to 512,249.67, 706,247.37 and 420,029.19 is: 579,101.42
Step by Step Solution
- Step 1: Write the proportion equation
512,249.67 : 706,247.37 = 420,029.19 : x - Step 2: Convert to fraction form
512,249.67/706,247.37 = 420,029.19/x - Step 3: Cross multiply
512,249.67x = 706,247.37 × 420,029.19 - Step 4: Simplify right side
512,249.67x = 296,644,510,760.73 - Step 5: Solve for x
x = 296,644,510,760.73/512,249.67 - Step 6: Final answer
x = 579,101.42
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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.