Finding the Fourth Proportional to 814,161.14, 1,219,247.99 and 573,684.09
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Solution
The fourth proportional to 814,161.14, 1,219,247.99 and 573,684.09 is: 859,121.30
Step by Step Solution
- Step 1: Write the proportion equation
814,161.14 : 1,219,247.99 = 573,684.09 : x - Step 2: Convert to fraction form
814,161.14/1,219,247.99 = 573,684.09/x - Step 3: Cross multiply
814,161.14x = 1,219,247.99 × 573,684.09 - Step 4: Simplify right side
814,161.14x = 699,463,170,759.06 - Step 5: Solve for x
x = 699,463,170,759.06/814,161.14 - Step 6: Final answer
x = 859,121.30
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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.