Finding the Fourth Proportional to 681,694.97, 940,733.73 and 371,596.82
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Solution
The fourth proportional to 681,694.97, 940,733.73 and 371,596.82 is: 512,800.70
Step by Step Solution
- Step 1: Write the proportion equation
681,694.97 : 940,733.73 = 371,596.82 : x - Step 2: Convert to fraction form
681,694.97/940,733.73 = 371,596.82/x - Step 3: Cross multiply
681,694.97x = 940,733.73 × 371,596.82 - Step 4: Simplify right side
681,694.97x = 349,573,657,831.07 - Step 5: Solve for x
x = 349,573,657,831.07/681,694.97 - Step 6: Final answer
x = 512,800.70
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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.