Finding the Fourth Proportional to 743,791.68, 1,026,439.29 and 404,260.74
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Solution
The fourth proportional to 743,791.68, 1,026,439.29 and 404,260.74 is: 557,883.50
Step by Step Solution
- Step 1: Write the proportion equation
743,791.68 : 1,026,439.29 = 404,260.74 : x - Step 2: Convert to fraction form
743,791.68/1,026,439.29 = 404,260.74/x - Step 3: Cross multiply
743,791.68x = 1,026,439.29 × 404,260.74 - Step 4: Simplify right side
743,791.68x = 414,949,106,940.48 - Step 5: Solve for x
x = 414,949,106,940.48/743,791.68 - Step 6: Final answer
x = 557,883.50
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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.