Finding the Fourth Proportional to 656,573.70, 984,860.55 and 341,645.70
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Solution
The fourth proportional to 656,573.70, 984,860.55 and 341,645.70 is: 512,468.55
Step by Step Solution
- Step 1: Write the proportion equation
656,573.70 : 984,860.55 = 341,645.70 : x - Step 2: Convert to fraction form
656,573.70/984,860.55 = 341,645.70/x - Step 3: Cross multiply
656,573.70x = 984,860.55 × 341,645.70 - Step 4: Simplify right side
656,573.70x = 336,473,372,007.14 - Step 5: Solve for x
x = 336,473,372,007.14/656,573.70 - Step 6: Final answer
x = 512,468.55
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Similar ratio
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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.