Finding the Fourth Proportional to 568,459.47, 784,469.26 and 313,805.19
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Solution
The fourth proportional to 568,459.47, 784,469.26 and 313,805.19 is: 433,048.50
Step by Step Solution
- Step 1: Write the proportion equation
568,459.47 : 784,469.26 = 313,805.19 : x - Step 2: Convert to fraction form
568,459.47/784,469.26 = 313,805.19/x - Step 3: Cross multiply
568,459.47x = 784,469.26 × 313,805.19 - Step 4: Simplify right side
568,459.47x = 246,170,523,614.43 - Step 5: Solve for x
x = 246,170,523,614.43/568,459.47 - Step 6: Final answer
x = 433,048.50
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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.