Finding the Fourth Proportional to 548,207.40, 822,311.10 and 397,741.80
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Solution
The fourth proportional to 548,207.40, 822,311.10 and 397,741.80 is: 596,612.70
Step by Step Solution
- Step 1: Write the proportion equation
548,207.40 : 822,311.10 = 397,741.80 : x - Step 2: Convert to fraction form
548,207.40/822,311.10 = 397,741.80/x - Step 3: Cross multiply
548,207.40x = 822,311.10 × 397,741.80 - Step 4: Simplify right side
548,207.40x = 327,067,497,073.98 - Step 5: Solve for x
x = 327,067,497,073.98/548,207.40 - Step 6: Final answer
x = 596,612.70
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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.