Finding the Fourth Proportional to 664,506.60, 996,905.70 and 327,708.60
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Solution
The fourth proportional to 664,506.60, 996,905.70 and 327,708.60 is: 491,634.80
Step by Step Solution
- Step 1: Write the proportion equation
664,506.60 : 996,905.70 = 327,708.60 : x - Step 2: Convert to fraction form
664,506.60/996,905.70 = 327,708.60/x - Step 3: Cross multiply
664,506.60x = 996,905.70 × 327,708.60 - Step 4: Simplify right side
664,506.60x = 326,694,571,279.02 - Step 5: Solve for x
x = 326,694,571,279.02/664,506.60 - Step 6: Final answer
x = 491,634.80
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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.