Finding the Fourth Proportional to 451,615.66, 677,877.09 and 401,343.82
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Solution
The fourth proportional to 451,615.66, 677,877.09 and 401,343.82 is: 602,418.84
Step by Step Solution
- Step 1: Write the proportion equation
451,615.66 : 677,877.09 = 401,343.82 : x - Step 2: Convert to fraction form
451,615.66/677,877.09 = 401,343.82/x - Step 3: Cross multiply
451,615.66x = 677,877.09 × 401,343.82 - Step 4: Simplify right side
451,615.66x = 272,061,780,791.08 - Step 5: Solve for x
x = 272,061,780,791.08/451,615.66 - Step 6: Final answer
x = 602,418.84
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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.