Finding the Fourth Proportional to 682,586.91, 940,431.60 and 475,660.26
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Solution
The fourth proportional to 682,586.91, 940,431.60 and 475,660.26 is: 655,339.17
Step by Step Solution
- Step 1: Write the proportion equation
682,586.91 : 940,431.60 = 475,660.26 : x - Step 2: Convert to fraction form
682,586.91/940,431.60 = 475,660.26/x - Step 3: Cross multiply
682,586.91x = 940,431.60 × 475,660.26 - Step 4: Simplify right side
682,586.91x = 447,325,939,368.22 - Step 5: Solve for x
x = 447,325,939,368.22/682,586.91 - Step 6: Final answer
x = 655,339.17
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1.5x scale
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.