Finding the Fourth Proportional to 994,713.70, 1,491,912.15 and 329,865.70
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Solution
The fourth proportional to 994,713.70, 1,491,912.15 and 329,865.70 is: 494,746.02
Step by Step Solution
- Step 1: Write the proportion equation
994,713.70 : 1,491,912.15 = 329,865.70 : x - Step 2: Convert to fraction form
994,713.70/1,491,912.15 = 329,865.70/x - Step 3: Cross multiply
994,713.70x = 1,491,912.15 × 329,865.70 - Step 4: Simplify right side
994,713.70x = 492,130,645,698.26 - Step 5: Solve for x
x = 492,130,645,698.26/994,713.70 - Step 6: Final answer
x = 494,746.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.