Finding the Fourth Proportional to 424,906.97, 637,988.60 and 283,632.44
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Solution
The fourth proportional to 424,906.97, 637,988.60 and 283,632.44 is: 425,867.96
Step by Step Solution
- Step 1: Write the proportion equation
424,906.97 : 637,988.60 = 283,632.44 : x - Step 2: Convert to fraction form
424,906.97/637,988.60 = 283,632.44/x - Step 3: Cross multiply
424,906.97x = 637,988.60 × 283,632.44 - Step 4: Simplify right side
424,906.97x = 180,954,260,829.32 - Step 5: Solve for x
x = 180,954,260,829.32/424,906.97 - Step 6: Final answer
x = 425,867.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.