Finding the Fourth Proportional to 741,704.80, 1,112,902.80 and 555,080.80
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Solution
The fourth proportional to 741,704.80, 1,112,902.80 and 555,080.80 is: 832,879.84
Step by Step Solution
- Step 1: Write the proportion equation
741,704.80 : 1,112,902.80 = 555,080.80 : x - Step 2: Convert to fraction form
741,704.80/1,112,902.80 = 555,080.80/x - Step 3: Cross multiply
741,704.80x = 1,112,902.80 × 555,080.80 - Step 4: Simplify right side
741,704.80x = 617,750,976,546.24 - Step 5: Solve for x
x = 617,750,976,546.24/741,704.80 - Step 6: Final answer
x = 832,879.84
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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.