Finding the Fourth Proportional to 756,186, 1,134,453.92 and 440,908.08
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Solution
The fourth proportional to 756,186, 1,134,453.92 and 440,908.08 is: 661,464.11
Step by Step Solution
- Step 1: Write the proportion equation
756,186 : 1,134,453.92 = 440,908.08 : x - Step 2: Convert to fraction form
756,186/1,134,453.92 = 440,908.08/x - Step 3: Cross multiply
756,186x = 1,134,453.92 × 440,908.08 - Step 4: Simplify right side
756,186x = 500,189,899,715.67 - Step 5: Solve for x
x = 500,189,899,715.67/756,186 - Step 6: Final answer
x = 661,464.11
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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.