Finding the Fourth Proportional to 802,103.36, 1,106,902.62 and 462,571.61
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Solution
The fourth proportional to 802,103.36, 1,106,902.62 and 462,571.61 is: 638,348.81
Step by Step Solution
- Step 1: Write the proportion equation
802,103.36 : 1,106,902.62 = 462,571.61 : x - Step 2: Convert to fraction form
802,103.36/1,106,902.62 = 462,571.61/x - Step 3: Cross multiply
802,103.36x = 1,106,902.62 × 462,571.61 - Step 4: Simplify right side
802,103.36x = 512,021,721,512.11 - Step 5: Solve for x
x = 512,021,721,512.11/802,103.36 - Step 6: Final answer
x = 638,348.81
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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.