Finding the Fourth Proportional to 681,353.97, 940,260.93 and 387,001.62
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Solution
The fourth proportional to 681,353.97, 940,260.93 and 387,001.62 is: 534,057.95
Step by Step Solution
- Step 1: Write the proportion equation
681,353.97 : 940,260.93 = 387,001.62 : x - Step 2: Convert to fraction form
681,353.97/940,260.93 = 387,001.62/x - Step 3: Cross multiply
681,353.97x = 940,260.93 × 387,001.62 - Step 4: Simplify right side
681,353.97x = 363,882,503,132.71 - Step 5: Solve for x
x = 363,882,503,132.71/681,353.97 - Step 6: Final answer
x = 534,057.95
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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.