Finding the Fourth Proportional to 437,633.70, 656,450.55 and 382,337.70
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Solution
The fourth proportional to 437,633.70, 656,450.55 and 382,337.70 is: 573,506.55
Step by Step Solution
- Step 1: Write the proportion equation
437,633.70 : 656,450.55 = 382,337.70 : x - Step 2: Convert to fraction form
437,633.70/656,450.55 = 382,337.70/x - Step 3: Cross multiply
437,633.70x = 656,450.55 × 382,337.70 - Step 4: Simplify right side
437,633.70x = 250,985,793,450.74 - Step 5: Solve for x
x = 250,985,793,450.74/437,633.70 - Step 6: Final answer
x = 573,506.55
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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.