Finding the Fourth Proportional to 645,387.05, 967,750.09 and 379,227.53
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Solution
The fourth proportional to 645,387.05, 967,750.09 and 379,227.53 is: 568,647.10
Step by Step Solution
- Step 1: Write the proportion equation
645,387.05 : 967,750.09 = 379,227.53 : x - Step 2: Convert to fraction form
645,387.05/967,750.09 = 379,227.53/x - Step 3: Cross multiply
645,387.05x = 967,750.09 × 379,227.53 - Step 4: Simplify right side
645,387.05x = 366,997,469,553.09 - Step 5: Solve for x
x = 366,997,469,553.09/645,387.05 - Step 6: Final answer
x = 568,647.10
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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.