Finding the Fourth Proportional to 747,596.70, 1,121,566.77 and 215,122.14
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Solution
The fourth proportional to 747,596.70, 1,121,566.77 and 215,122.14 is: 322,732.62
Step by Step Solution
- Step 1: Write the proportion equation
747,596.70 : 1,121,566.77 = 215,122.14 : x - Step 2: Convert to fraction form
747,596.70/1,121,566.77 = 215,122.14/x - Step 3: Cross multiply
747,596.70x = 1,121,566.77 × 215,122.14 - Step 4: Simplify right side
747,596.70x = 241,273,843,715.29 - Step 5: Solve for x
x = 241,273,843,715.29/747,596.70 - Step 6: Final answer
x = 322,732.62
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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.