Finding the Fourth Proportional to 445,869.21, 611,516.28 and 427,559.26
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Solution
The fourth proportional to 445,869.21, 611,516.28 and 427,559.26 is: 586,403.92
Step by Step Solution
- Step 1: Write the proportion equation
445,869.21 : 611,516.28 = 427,559.26 : x - Step 2: Convert to fraction form
445,869.21/611,516.28 = 427,559.26/x - Step 3: Cross multiply
445,869.21x = 611,516.28 × 427,559.26 - Step 4: Simplify right side
445,869.21x = 261,459,449,375.90 - Step 5: Solve for x
x = 261,459,449,375.90/445,869.21 - Step 6: Final answer
x = 586,403.92
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.