Finding the Fourth Proportional to 546,775.70, 820,163.55 and 481,821.80
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Solution
The fourth proportional to 546,775.70, 820,163.55 and 481,821.80 is: 722,732.70
Step by Step Solution
- Step 1: Write the proportion equation
546,775.70 : 820,163.55 = 481,821.80 : x - Step 2: Convert to fraction form
546,775.70/820,163.55 = 481,821.80/x - Step 3: Cross multiply
546,775.70x = 820,163.55 × 481,821.80 - Step 4: Simplify right side
546,775.70x = 395,172,677,955.39 - Step 5: Solve for x
x = 395,172,677,955.39/546,775.70 - Step 6: Final answer
x = 722,732.70
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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.