Finding the Fourth Proportional to 754,470.05, 1,131,778.88 and 274,828.14
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Solution
The fourth proportional to 754,470.05, 1,131,778.88 and 274,828.14 is: 412,269.10
Step by Step Solution
- Step 1: Write the proportion equation
754,470.05 : 1,131,778.88 = 274,828.14 : x - Step 2: Convert to fraction form
754,470.05/1,131,778.88 = 274,828.14/x - Step 3: Cross multiply
754,470.05x = 1,131,778.88 × 274,828.14 - Step 4: Simplify right side
754,470.05x = 311,044,684,138.15 - Step 5: Solve for x
x = 311,044,684,138.15/754,470.05 - Step 6: Final answer
x = 412,269.10
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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.