Finding the Fourth Proportional to 848,696.14, 1,171,112.08 and 486,135.28
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Solution
The fourth proportional to 848,696.14, 1,171,112.08 and 486,135.28 is: 670,815.94
Step by Step Solution
- Step 1: Write the proportion equation
848,696.14 : 1,171,112.08 = 486,135.28 : x - Step 2: Convert to fraction form
848,696.14/1,171,112.08 = 486,135.28/x - Step 3: Cross multiply
848,696.14x = 1,171,112.08 × 486,135.28 - Step 4: Simplify right side
848,696.14x = 569,318,898,922.18 - Step 5: Solve for x
x = 569,318,898,922.18/848,696.14 - Step 6: Final answer
x = 670,815.94
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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.