Finding the Fourth Proportional to 868,546.09, 1,198,593.75 and 481,386.52
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Solution
The fourth proportional to 868,546.09, 1,198,593.75 and 481,386.52 is: 664,313.48
Step by Step Solution
- Step 1: Write the proportion equation
868,546.09 : 1,198,593.75 = 481,386.52 : x - Step 2: Convert to fraction form
868,546.09/1,198,593.75 = 481,386.52/x - Step 3: Cross multiply
868,546.09x = 1,198,593.75 × 481,386.52 - Step 4: Simplify right side
868,546.09x = 576,986,874,206.25 - Step 5: Solve for x
x = 576,986,874,206.25/868,546.09 - Step 6: Final answer
x = 664,313.48
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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.