Finding the Fourth Proportional to 520,761.05, 780,863.73 and 246,919.49
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Solution
The fourth proportional to 520,761.05, 780,863.73 and 246,919.49 is: 370,247.49
Step by Step Solution
- Step 1: Write the proportion equation
520,761.05 : 780,863.73 = 246,919.49 : x - Step 2: Convert to fraction form
520,761.05/780,863.73 = 246,919.49/x - Step 3: Cross multiply
520,761.05x = 780,863.73 × 246,919.49 - Step 4: Simplify right side
520,761.05x = 192,810,473,971.10 - Step 5: Solve for x
x = 192,810,473,971.10/520,761.05 - Step 6: Final answer
x = 370,247.49
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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.