Finding the Fourth Proportional to 988,520.36, 1,482,247.30 and 448,481.94
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Solution
The fourth proportional to 988,520.36, 1,482,247.30 and 448,481.94 is: 672,480.99
Step by Step Solution
- Step 1: Write the proportion equation
988,520.36 : 1,482,247.30 = 448,481.94 : x - Step 2: Convert to fraction form
988,520.36/1,482,247.30 = 448,481.94/x - Step 3: Cross multiply
988,520.36x = 1,482,247.30 × 448,481.94 - Step 4: Simplify right side
988,520.36x = 664,761,142,993.85 - Step 5: Solve for x
x = 664,761,142,993.85/988,520.36 - Step 6: Final answer
x = 672,480.99
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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.