Finding the Fourth Proportional to 440,679.75, 608,324.10 and 297,633.54
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Solution
The fourth proportional to 440,679.75, 608,324.10 and 297,633.54 is: 410,859.94
Step by Step Solution
- Step 1: Write the proportion equation
440,679.75 : 608,324.10 = 297,633.54 : x - Step 2: Convert to fraction form
440,679.75/608,324.10 = 297,633.54/x - Step 3: Cross multiply
440,679.75x = 608,324.10 × 297,633.54 - Step 4: Simplify right side
440,679.75x = 181,057,655,350.31 - Step 5: Solve for x
x = 181,057,655,350.31/440,679.75 - Step 6: Final answer
x = 410,859.94
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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.