Finding the Fourth Proportional to 664,990.10, 996,829.05 and 327,754.70
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Solution
The fourth proportional to 664,990.10, 996,829.05 and 327,754.70 is: 491,308.68
Step by Step Solution
- Step 1: Write the proportion equation
664,990.10 : 996,829.05 = 327,754.70 : x - Step 2: Convert to fraction form
664,990.10/996,829.05 = 327,754.70/x - Step 3: Cross multiply
664,990.10x = 996,829.05 × 327,754.70 - Step 4: Simplify right side
664,990.10x = 326,715,406,234.04 - Step 5: Solve for x
x = 326,715,406,234.04/664,990.10 - Step 6: Final answer
x = 491,308.68
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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.