Finding the Fourth Proportional to 810,466.75, 1,118,466.44 and 447,914.09
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Solution
The fourth proportional to 810,466.75, 1,118,466.44 and 447,914.09 is: 618,133.78
Step by Step Solution
- Step 1: Write the proportion equation
810,466.75 : 1,118,466.44 = 447,914.09 : x - Step 2: Convert to fraction form
810,466.75/1,118,466.44 = 447,914.09/x - Step 3: Cross multiply
810,466.75x = 1,118,466.44 × 447,914.09 - Step 4: Simplify right side
810,466.75x = 500,976,877,668.14 - Step 5: Solve for x
x = 500,976,877,668.14/810,466.75 - Step 6: Final answer
x = 618,133.78
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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.