Finding the Fourth Proportional to 664,605.80, 996,908.70 and 327,807.80
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Solution
The fourth proportional to 664,605.80, 996,908.70 and 327,807.80 is: 491,711.70
Step by Step Solution
- Step 1: Write the proportion equation
664,605.80 : 996,908.70 = 327,807.80 : x - Step 2: Convert to fraction form
664,605.80/996,908.70 = 327,807.80/x - Step 3: Cross multiply
664,605.80x = 996,908.70 × 327,807.80 - Step 4: Simplify right side
664,605.80x = 326,794,447,747.86 - Step 5: Solve for x
x = 326,794,447,747.86/664,605.80 - Step 6: Final answer
x = 491,711.70
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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.