Finding the Fourth Proportional to 682,658.00, 942,422.19 and 498,689.99
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Solution
The fourth proportional to 682,658.00, 942,422.19 and 498,689.99 is: 688,450.90
Step by Step Solution
- Step 1: Write the proportion equation
682,658.00 : 942,422.19 = 498,689.99 : x - Step 2: Convert to fraction form
682,658.00/942,422.19 = 498,689.99/x - Step 3: Cross multiply
682,658.00x = 942,422.19 × 498,689.99 - Step 4: Simplify right side
682,658.00x = 469,976,510,013.43 - Step 5: Solve for x
x = 469,976,510,013.43/682,658.00 - Step 6: Final answer
x = 688,450.90
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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.