Finding the Fourth Proportional to 868,646.97, 1,198,804.63 and 481,583.84
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Solution
The fourth proportional to 868,646.97, 1,198,804.63 and 481,583.84 is: 664,625.51
Step by Step Solution
- Step 1: Write the proportion equation
868,646.97 : 1,198,804.63 = 481,583.84 : x - Step 2: Convert to fraction form
868,646.97/1,198,804.63 = 481,583.84/x - Step 3: Cross multiply
868,646.97x = 1,198,804.63 × 481,583.84 - Step 4: Simplify right side
868,646.97x = 577,324,938,918.23 - Step 5: Solve for x
x = 577,324,938,918.23/868,646.97 - Step 6: Final answer
x = 664,625.51
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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.