Finding the Fourth Proportional to 512,073.99, 706,357.26 and 330,892.38
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Solution
The fourth proportional to 512,073.99, 706,357.26 and 330,892.38 is: 456,434.50
Step by Step Solution
- Step 1: Write the proportion equation
512,073.99 : 706,357.26 = 330,892.38 : x - Step 2: Convert to fraction form
512,073.99/706,357.26 = 330,892.38/x - Step 3: Cross multiply
512,073.99x = 706,357.26 × 330,892.38 - Step 4: Simplify right side
512,073.99x = 233,728,234,891.68 - Step 5: Solve for x
x = 233,728,234,891.68/512,073.99 - Step 6: Final answer
x = 456,434.50
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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.