Finding the Fourth Proportional to 994,688.70, 1,491,874.65 and 329,840.70
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Solution
The fourth proportional to 994,688.70, 1,491,874.65 and 329,840.70 is: 494,708.52
Step by Step Solution
- Step 1: Write the proportion equation
994,688.70 : 1,491,874.65 = 329,840.70 : x - Step 2: Convert to fraction form
994,688.70/1,491,874.65 = 329,840.70/x - Step 3: Cross multiply
994,688.70x = 1,491,874.65 × 329,840.70 - Step 4: Simplify right side
994,688.70x = 492,080,978,868.26 - Step 5: Solve for x
x = 492,080,978,868.26/994,688.70 - Step 6: Final answer
x = 494,708.52
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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.