Finding the Fourth Proportional to 663,783.76, 996,414.15 and 343,850.23
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Solution
The fourth proportional to 663,783.76, 996,414.15 and 343,850.23 is: 516,157.90
Step by Step Solution
- Step 1: Write the proportion equation
663,783.76 : 996,414.15 = 343,850.23 : x - Step 2: Convert to fraction form
663,783.76/996,414.15 = 343,850.23/x - Step 3: Cross multiply
663,783.76x = 996,414.15 × 343,850.23 - Step 4: Simplify right side
663,783.76x = 342,617,229,670.68 - Step 5: Solve for x
x = 342,617,229,670.68/663,783.76 - Step 6: Final answer
x = 516,157.90
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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.