Finding the Fourth Proportional to 892,864.21, 1,232,161.66 and 484,974.03
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Solution
The fourth proportional to 892,864.21, 1,232,161.66 and 484,974.03 is: 669,269.08
Step by Step Solution
- Step 1: Write the proportion equation
892,864.21 : 1,232,161.66 = 484,974.03 : x - Step 2: Convert to fraction form
892,864.21/1,232,161.66 = 484,974.03/x - Step 3: Cross multiply
892,864.21x = 1,232,161.66 × 484,974.03 - Step 4: Simplify right side
892,864.21x = 597,566,405,861.69 - Step 5: Solve for x
x = 597,566,405,861.69/892,864.21 - Step 6: Final answer
x = 669,269.08
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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.