Finding the Fourth Proportional to 848,639.62, 1,171,130.97 and 466,669
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Solution
The fourth proportional to 848,639.62, 1,171,130.97 and 466,669 is: 644,007.78
Step by Step Solution
- Step 1: Write the proportion equation
848,639.62 : 1,171,130.97 = 466,669 : x - Step 2: Convert to fraction form
848,639.62/1,171,130.97 = 466,669/x - Step 3: Cross multiply
848,639.62x = 1,171,130.97 × 466,669 - Step 4: Simplify right side
848,639.62x = 546,530,518,638.93 - Step 5: Solve for x
x = 546,530,518,638.93/848,639.62 - Step 6: Final answer
x = 644,007.78
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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.