Finding the Fourth Proportional to 681,806.18, 940,898.62 and 375,893.41
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Solution
The fourth proportional to 681,806.18, 940,898.62 and 375,893.41 is: 518,736.26
Step by Step Solution
- Step 1: Write the proportion equation
681,806.18 : 940,898.62 = 375,893.41 : x - Step 2: Convert to fraction form
681,806.18/940,898.62 = 375,893.41/x - Step 3: Cross multiply
681,806.18x = 940,898.62 × 375,893.41 - Step 4: Simplify right side
681,806.18x = 353,677,584,975.13 - Step 5: Solve for x
x = 353,677,584,975.13/681,806.18 - Step 6: Final answer
x = 518,736.26
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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.