Finding the Fourth Proportional to 725,249.30, 1,086,379.10 and 424,819.07
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Solution
The fourth proportional to 725,249.30, 1,086,379.10 and 424,819.07 is: 636,352.99
Step by Step Solution
- Step 1: Write the proportion equation
725,249.30 : 1,086,379.10 = 424,819.07 : x - Step 2: Convert to fraction form
725,249.30/1,086,379.10 = 424,819.07/x - Step 3: Cross multiply
725,249.30x = 1,086,379.10 × 424,819.07 - Step 4: Simplify right side
725,249.30x = 461,514,558,929.44 - Step 5: Solve for x
x = 461,514,558,929.44/725,249.30 - Step 6: Final answer
x = 636,352.99
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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.