Finding the Fourth Proportional to 788,645.97, 1,088,353.26 and 482,716.26
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Solution
The fourth proportional to 788,645.97, 1,088,353.26 and 482,716.26 is: 666,161.80
Step by Step Solution
- Step 1: Write the proportion equation
788,645.97 : 1,088,353.26 = 482,716.26 : x - Step 2: Convert to fraction form
788,645.97/1,088,353.26 = 482,716.26/x - Step 3: Cross multiply
788,645.97x = 1,088,353.26 × 482,716.26 - Step 4: Simplify right side
788,645.97x = 525,365,815,226.01 - Step 5: Solve for x
x = 525,365,815,226.01/788,645.97 - Step 6: Final answer
x = 666,161.80
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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.