Finding the Fourth Proportional to 769,751.65, 1,062,238.93 and 430,251.49
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Solution
The fourth proportional to 769,751.65, 1,062,238.93 and 430,251.49 is: 593,736.80
Step by Step Solution
- Step 1: Write the proportion equation
769,751.65 : 1,062,238.93 = 430,251.49 : x - Step 2: Convert to fraction form
769,751.65/1,062,238.93 = 430,251.49/x - Step 3: Cross multiply
769,751.65x = 1,062,238.93 × 430,251.49 - Step 4: Simplify right side
769,751.65x = 457,029,882,620.68 - Step 5: Solve for x
x = 457,029,882,620.68/769,751.65 - Step 6: Final answer
x = 593,736.80
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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.