Finding the Fourth Proportional to 801,112.73, 1,105,535.49 and 438,536.84
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Solution
The fourth proportional to 801,112.73, 1,105,535.49 and 438,536.84 is: 605,180.79
Step by Step Solution
- Step 1: Write the proportion equation
801,112.73 : 1,105,535.49 = 438,536.84 : x - Step 2: Convert to fraction form
801,112.73/1,105,535.49 = 438,536.84/x - Step 3: Cross multiply
801,112.73x = 1,105,535.49 × 438,536.84 - Step 4: Simplify right side
801,112.73x = 484,818,033,120.26 - Step 5: Solve for x
x = 484,818,033,120.26/801,112.73 - Step 6: Final answer
x = 605,180.79
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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.