Finding the Fourth Proportional to 664,704.80, 996,376.80 and 327,226.40
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Solution
The fourth proportional to 664,704.80, 996,376.80 and 327,226.40 is: 490,504.65
Step by Step Solution
- Step 1: Write the proportion equation
664,704.80 : 996,376.80 = 327,226.40 : x - Step 2: Convert to fraction form
664,704.80/996,376.80 = 327,226.40/x - Step 3: Cross multiply
664,704.80x = 996,376.80 × 327,226.40 - Step 4: Simplify right side
664,704.80x = 326,040,793,307.52 - Step 5: Solve for x
x = 326,040,793,307.52/664,704.80 - Step 6: Final answer
x = 490,504.65
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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.