Finding the Fourth Proportional to 664,331.70, 996,497.55 and 365,733.30
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Solution
The fourth proportional to 664,331.70, 996,497.55 and 365,733.30 is: 548,599.95
Step by Step Solution
- Step 1: Write the proportion equation
664,331.70 : 996,497.55 = 365,733.30 : x - Step 2: Convert to fraction form
664,331.70/996,497.55 = 365,733.30/x - Step 3: Cross multiply
664,331.70x = 996,497.55 × 365,733.30 - Step 4: Simplify right side
664,331.70x = 364,452,337,403.42 - Step 5: Solve for x
x = 364,452,337,403.42/664,331.70 - Step 6: Final answer
x = 548,599.95
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Double scale
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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.