Finding the Fourth Proportional to 980,470.98, 1,470,791.19 and 270,498.99
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Solution
The fourth proportional to 980,470.98, 1,470,791.19 and 270,498.99 is: 405,771.86
Step by Step Solution
- Step 1: Write the proportion equation
980,470.98 : 1,470,791.19 = 270,498.99 : x - Step 2: Convert to fraction form
980,470.98/1,470,791.19 = 270,498.99/x - Step 3: Cross multiply
980,470.98x = 1,470,791.19 × 270,498.99 - Step 4: Simplify right side
980,470.98x = 397,847,531,395.90 - Step 5: Solve for x
x = 397,847,531,395.90/980,470.98 - Step 6: Final answer
x = 405,771.86
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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.