Finding the Fourth Proportional to 769,453.24, 1,154,199.57 and 364,550.65
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Solution
The fourth proportional to 769,453.24, 1,154,199.57 and 364,550.65 is: 546,835.31
Step by Step Solution
- Step 1: Write the proportion equation
769,453.24 : 1,154,199.57 = 364,550.65 : x - Step 2: Convert to fraction form
769,453.24/1,154,199.57 = 364,550.65/x - Step 3: Cross multiply
769,453.24x = 1,154,199.57 × 364,550.65 - Step 4: Simplify right side
769,453.24x = 420,764,203,473.22 - Step 5: Solve for x
x = 420,764,203,473.22/769,453.24 - Step 6: Final answer
x = 546,835.31
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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.