Finding the Fourth Proportional to 515,110.21, 771,738.57 and 484,723.67
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Solution
The fourth proportional to 515,110.21, 771,738.57 and 484,723.67 is: 726,213.43
Step by Step Solution
- Step 1: Write the proportion equation
515,110.21 : 771,738.57 = 484,723.67 : x - Step 2: Convert to fraction form
515,110.21/771,738.57 = 484,723.67/x - Step 3: Cross multiply
515,110.21x = 771,738.57 × 484,723.67 - Step 4: Simplify right side
515,110.21x = 374,079,948,072.26 - Step 5: Solve for x
x = 374,079,948,072.26/515,110.21 - Step 6: Final answer
x = 726,213.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.