Finding the Fourth Proportional to 548,846.44, 757,299.34 and 307,082.09
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Solution
The fourth proportional to 548,846.44, 757,299.34 and 307,082.09 is: 423,712.45
Step by Step Solution
- Step 1: Write the proportion equation
548,846.44 : 757,299.34 = 307,082.09 : x - Step 2: Convert to fraction form
548,846.44/757,299.34 = 307,082.09/x - Step 3: Cross multiply
548,846.44x = 757,299.34 × 307,082.09 - Step 4: Simplify right side
548,846.44x = 232,553,066,359.92 - Step 5: Solve for x
x = 232,553,066,359.92/548,846.44 - Step 6: Final answer
x = 423,712.45
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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.