Finding the Fourth Proportional to 994,908.63, 1,492,678.41 and 355,198.62
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Solution
The fourth proportional to 994,908.63, 1,492,678.41 and 355,198.62 is: 532,910.56
Step by Step Solution
- Step 1: Write the proportion equation
994,908.63 : 1,492,678.41 = 355,198.62 : x - Step 2: Convert to fraction form
994,908.63/1,492,678.41 = 355,198.62/x - Step 3: Cross multiply
994,908.63x = 1,492,678.41 × 355,198.62 - Step 4: Simplify right side
994,908.63x = 530,197,311,335.79 - Step 5: Solve for x
x = 530,197,311,335.79/994,908.63 - Step 6: Final answer
x = 532,910.56
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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.