Finding the Fourth Proportional to 939,634.97, 1,296,696.20 and 509,915.09
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Solution
The fourth proportional to 939,634.97, 1,296,696.20 and 509,915.09 is: 703,682.80
Step by Step Solution
- Step 1: Write the proportion equation
939,634.97 : 1,296,696.20 = 509,915.09 : x - Step 2: Convert to fraction form
939,634.97/1,296,696.20 = 509,915.09/x - Step 3: Cross multiply
939,634.97x = 1,296,696.20 × 509,915.09 - Step 4: Simplify right side
939,634.97x = 661,204,964,042.19 - Step 5: Solve for x
x = 661,204,964,042.19/939,634.97 - Step 6: Final answer
x = 703,682.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.