Finding the Fourth Proportional to 682,108.37, 941,376.09 and 509,726.99
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Solution
The fourth proportional to 682,108.37, 941,376.09 and 509,726.99 is: 703,472.97
Step by Step Solution
- Step 1: Write the proportion equation
682,108.37 : 941,376.09 = 509,726.99 : x - Step 2: Convert to fraction form
682,108.37/941,376.09 = 509,726.99/x - Step 3: Cross multiply
682,108.37x = 941,376.09 × 509,726.99 - Step 4: Simplify right side
682,108.37x = 479,844,800,813.67 - Step 5: Solve for x
x = 479,844,800,813.67/682,108.37 - Step 6: Final answer
x = 703,472.97
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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.