Finding the Fourth Proportional to 843,112.68, 1,263,456.45 and 363,208.74
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Solution
The fourth proportional to 843,112.68, 1,263,456.45 and 363,208.74 is: 544,290.74
Step by Step Solution
- Step 1: Write the proportion equation
843,112.68 : 1,263,456.45 = 363,208.74 : x - Step 2: Convert to fraction form
843,112.68/1,263,456.45 = 363,208.74/x - Step 3: Cross multiply
843,112.68x = 1,263,456.45 × 363,208.74 - Step 4: Simplify right side
843,112.68x = 458,898,425,249.37 - Step 5: Solve for x
x = 458,898,425,249.37/843,112.68 - Step 6: Final answer
x = 544,290.74
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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.