Finding the Fourth Proportional to 568,306.14, 784,260.86 and 313,655.50
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Solution
The fourth proportional to 568,306.14, 784,260.86 and 313,655.50 is: 432,843.70
Step by Step Solution
- Step 1: Write the proportion equation
568,306.14 : 784,260.86 = 313,655.50 : x - Step 2: Convert to fraction form
568,306.14/784,260.86 = 313,655.50/x - Step 3: Cross multiply
568,306.14x = 784,260.86 × 313,655.50 - Step 4: Simplify right side
568,306.14x = 245,987,732,173.73 - Step 5: Solve for x
x = 245,987,732,173.73/568,306.14 - Step 6: Final answer
x = 432,843.70
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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.