Finding the Fourth Proportional to 720,044.26, 993,641.82 and 397,747.42
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Solution
The fourth proportional to 720,044.26, 993,641.82 and 397,747.42 is: 548,880.80
Step by Step Solution
- Step 1: Write the proportion equation
720,044.26 : 993,641.82 = 397,747.42 : x - Step 2: Convert to fraction form
720,044.26/993,641.82 = 397,747.42/x - Step 3: Cross multiply
720,044.26x = 993,641.82 × 397,747.42 - Step 4: Simplify right side
720,044.26x = 395,218,470,309.10 - Step 5: Solve for x
x = 395,218,470,309.10/720,044.26 - Step 6: Final answer
x = 548,880.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.