Finding the Fourth Proportional to 682,059.68, 942,397.84 and 490,694.56
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Solution
The fourth proportional to 682,059.68, 942,397.84 and 490,694.56 is: 677,989.78
Step by Step Solution
- Step 1: Write the proportion equation
682,059.68 : 942,397.84 = 490,694.56 : x - Step 2: Convert to fraction form
682,059.68/942,397.84 = 490,694.56/x - Step 3: Cross multiply
682,059.68x = 942,397.84 × 490,694.56 - Step 4: Simplify right side
682,059.68x = 462,429,493,443.75 - Step 5: Solve for x
x = 462,429,493,443.75/682,059.68 - Step 6: Final answer
x = 677,989.78
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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.