Finding the Fourth Proportional to 939,771.58, 1,296,851.85 and 510,043.09
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Solution
The fourth proportional to 939,771.58, 1,296,851.85 and 510,043.09 is: 703,841.59
Step by Step Solution
- Step 1: Write the proportion equation
939,771.58 : 1,296,851.85 = 510,043.09 : x - Step 2: Convert to fraction form
939,771.58/1,296,851.85 = 510,043.09/x - Step 3: Cross multiply
939,771.58x = 1,296,851.85 × 510,043.09 - Step 4: Simplify right side
939,771.58x = 661,450,324,846.22 - Step 5: Solve for x
x = 661,450,324,846.22/939,771.58 - Step 6: Final answer
x = 703,841.59
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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.