Finding the Fourth Proportional to 461,714.14, 635,744.30 and 393,578.38
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Solution
The fourth proportional to 461,714.14, 635,744.30 and 393,578.38 is: 541,926.68
Step by Step Solution
- Step 1: Write the proportion equation
461,714.14 : 635,744.30 = 393,578.38 : x - Step 2: Convert to fraction form
461,714.14/635,744.30 = 393,578.38/x - Step 3: Cross multiply
461,714.14x = 635,744.30 × 393,578.38 - Step 4: Simplify right side
461,714.14x = 250,215,211,688.23 - Step 5: Solve for x
x = 250,215,211,688.23/461,714.14 - Step 6: Final answer
x = 541,926.68
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1.5x scale
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.