Finding the Fourth Proportional to 782,639.07, 1,174,484.70 and 277,198.26
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Solution
The fourth proportional to 782,639.07, 1,174,484.70 and 277,198.26 is: 415,983.72
Step by Step Solution
- Step 1: Write the proportion equation
782,639.07 : 1,174,484.70 = 277,198.26 : x - Step 2: Convert to fraction form
782,639.07/1,174,484.70 = 277,198.26/x - Step 3: Cross multiply
782,639.07x = 1,174,484.70 × 277,198.26 - Step 4: Simplify right side
782,639.07x = 325,565,115,236.62 - Step 5: Solve for x
x = 325,565,115,236.62/782,639.07 - Step 6: Final answer
x = 415,983.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.