Finding the Fourth Proportional to 784,754.32, 1,082,877.09 and 440,628.08
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Solution
The fourth proportional to 784,754.32, 1,082,877.09 and 440,628.08 is: 608,019.66
Step by Step Solution
- Step 1: Write the proportion equation
784,754.32 : 1,082,877.09 = 440,628.08 : x - Step 2: Convert to fraction form
784,754.32/1,082,877.09 = 440,628.08/x - Step 3: Cross multiply
784,754.32x = 1,082,877.09 × 440,628.08 - Step 4: Simplify right side
784,754.32x = 477,146,053,042.69 - Step 5: Solve for x
x = 477,146,053,042.69/784,754.32 - Step 6: Final answer
x = 608,019.66
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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.