Finding the Fourth Proportional to 848,418.10, 1,170,804.37 and 461,220.66
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Solution
The fourth proportional to 848,418.10, 1,170,804.37 and 461,220.66 is: 636,477.66
Step by Step Solution
- Step 1: Write the proportion equation
848,418.10 : 1,170,804.37 = 461,220.66 : x - Step 2: Convert to fraction form
848,418.10/1,170,804.37 = 461,220.66/x - Step 3: Cross multiply
848,418.10x = 1,170,804.37 × 461,220.66 - Step 4: Simplify right side
848,418.10x = 539,999,164,262.28 - Step 5: Solve for x
x = 539,999,164,262.28/848,418.10 - Step 6: Final answer
x = 636,477.66
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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.