Finding the Fourth Proportional to 505,234.20, 756,101.70 and 347,770.20
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Solution
The fourth proportional to 505,234.20, 756,101.70 and 347,770.20 is: 520,450.99
Step by Step Solution
- Step 1: Write the proportion equation
505,234.20 : 756,101.70 = 347,770.20 : x - Step 2: Convert to fraction form
505,234.20/756,101.70 = 347,770.20/x - Step 3: Cross multiply
505,234.20x = 756,101.70 × 347,770.20 - Step 4: Simplify right side
505,234.20x = 262,949,639,429.34 - Step 5: Solve for x
x = 262,949,639,429.34/505,234.20 - Step 6: Final answer
x = 520,450.99
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1.5x scale
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.