Finding the Fourth Proportional to 801,189.50, 1,201,780.53 and 327,874.91
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Solution
The fourth proportional to 801,189.50, 1,201,780.53 and 327,874.91 is: 491,810.84
Step by Step Solution
- Step 1: Write the proportion equation
801,189.50 : 1,201,780.53 = 327,874.91 : x - Step 2: Convert to fraction form
801,189.50/1,201,780.53 = 327,874.91/x - Step 3: Cross multiply
801,189.50x = 1,201,780.53 × 327,874.91 - Step 4: Simplify right side
801,189.50x = 394,033,677,104.60 - Step 5: Solve for x
x = 394,033,677,104.60/801,189.50 - Step 6: Final answer
x = 491,810.84
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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.