Finding the Fourth Proportional to 456,877.99, 682,540.29 and 295,640.39
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Solution
The fourth proportional to 456,877.99, 682,540.29 and 295,640.39 is: 441,663.82
Step by Step Solution
- Step 1: Write the proportion equation
456,877.99 : 682,540.29 = 295,640.39 : x - Step 2: Convert to fraction form
456,877.99/682,540.29 = 295,640.39/x - Step 3: Cross multiply
456,877.99x = 682,540.29 × 295,640.39 - Step 4: Simplify right side
456,877.99x = 201,786,475,222.26 - Step 5: Solve for x
x = 201,786,475,222.26/456,877.99 - Step 6: Final answer
x = 441,663.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.