Finding the Fourth Proportional to 568,311.14, 784,267.76 and 313,660.50
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Solution
The fourth proportional to 568,311.14, 784,267.76 and 313,660.50 is: 432,850.60
Step by Step Solution
- Step 1: Write the proportion equation
568,311.14 : 784,267.76 = 313,660.50 : x - Step 2: Convert to fraction form
568,311.14/784,267.76 = 313,660.50/x - Step 3: Cross multiply
568,311.14x = 784,267.76 × 313,660.50 - Step 4: Simplify right side
568,311.14x = 245,993,816,167.18 - Step 5: Solve for x
x = 245,993,816,167.18/568,311.14 - Step 6: Final answer
x = 432,850.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.