Finding the Fourth Proportional to 892,574.13, 1,338,861.19 and 261,487.94
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Solution
The fourth proportional to 892,574.13, 1,338,861.19 and 261,487.94 is: 392,231.91
Step by Step Solution
- Step 1: Write the proportion equation
892,574.13 : 1,338,861.19 = 261,487.94 : x - Step 2: Convert to fraction form
892,574.13/1,338,861.19 = 261,487.94/x - Step 3: Cross multiply
892,574.13x = 1,338,861.19 × 261,487.94 - Step 4: Simplify right side
892,574.13x = 350,096,054,519.05 - Step 5: Solve for x
x = 350,096,054,519.05/892,574.13 - Step 6: Final answer
x = 392,231.91
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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.