Finding the Fourth Proportional to 481,028.09, 721,791.11 and 348,998.09
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Solution
The fourth proportional to 481,028.09, 721,791.11 and 348,998.09 is: 523,677.78
Step by Step Solution
- Step 1: Write the proportion equation
481,028.09 : 721,791.11 = 348,998.09 : x - Step 2: Convert to fraction form
481,028.09/721,791.11 = 348,998.09/x - Step 3: Cross multiply
481,028.09x = 721,791.11 × 348,998.09 - Step 4: Simplify right side
481,028.09x = 251,903,721,445.95 - Step 5: Solve for x
x = 251,903,721,445.95/481,028.09 - Step 6: Final answer
x = 523,677.78
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1.5x scale
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.