Finding the Fourth Proportional to 816,512.26, 1,126,723.08 and 453,914.05
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Solution
The fourth proportional to 816,512.26, 1,126,723.08 and 453,914.05 is: 626,365.90
Step by Step Solution
- Step 1: Write the proportion equation
816,512.26 : 1,126,723.08 = 453,914.05 : x - Step 2: Convert to fraction form
816,512.26/1,126,723.08 = 453,914.05/x - Step 3: Cross multiply
816,512.26x = 1,126,723.08 × 453,914.05 - Step 4: Simplify right side
816,512.26x = 511,435,436,471.27 - Step 5: Solve for x
x = 511,435,436,471.27/816,512.26 - Step 6: Final answer
x = 626,365.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.