Finding the Fourth Proportional to 880,042.12, 1,214,458.02 and 477,634.12
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Solution
The fourth proportional to 880,042.12, 1,214,458.02 and 477,634.12 is: 659,135.03
Step by Step Solution
- Step 1: Write the proportion equation
880,042.12 : 1,214,458.02 = 477,634.12 : x - Step 2: Convert to fraction form
880,042.12/1,214,458.02 = 477,634.12/x - Step 3: Cross multiply
880,042.12x = 1,214,458.02 × 477,634.12 - Step 4: Simplify right side
880,042.12x = 580,066,587,659.64 - Step 5: Solve for x
x = 580,066,587,659.64/880,042.12 - Step 6: Final answer
x = 659,135.03
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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.