Finding the Fourth Proportional to 831,704.36, 1,147,751.19 and 449,730.23
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Solution
The fourth proportional to 831,704.36, 1,147,751.19 and 449,730.23 is: 620,627.27
Step by Step Solution
- Step 1: Write the proportion equation
831,704.36 : 1,147,751.19 = 449,730.23 : x - Step 2: Convert to fraction form
831,704.36/1,147,751.19 = 449,730.23/x - Step 3: Cross multiply
831,704.36x = 1,147,751.19 × 449,730.23 - Step 4: Simplify right side
831,704.36x = 516,178,400,922.72 - Step 5: Solve for x
x = 516,178,400,922.72/831,704.36 - Step 6: Final answer
x = 620,627.27
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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.