Finding the Fourth Proportional to 410,914.56, 616,048.80 and 276,115.44
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Solution
The fourth proportional to 410,914.56, 616,048.80 and 276,115.44 is: 413,956.09
Step by Step Solution
- Step 1: Write the proportion equation
410,914.56 : 616,048.80 = 276,115.44 : x - Step 2: Convert to fraction form
410,914.56/616,048.80 = 276,115.44/x - Step 3: Cross multiply
410,914.56x = 616,048.80 × 276,115.44 - Step 4: Simplify right side
410,914.56x = 170,100,585,473.47 - Step 5: Solve for x
x = 170,100,585,473.47/410,914.56 - Step 6: Final answer
x = 413,956.09
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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.