Finding the Fourth Proportional to 743,664.24, 1,026,252.72 and 404,133.84
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Solution
The fourth proportional to 743,664.24, 1,026,252.72 and 404,133.84 is: 557,702.56
Step by Step Solution
- Step 1: Write the proportion equation
743,664.24 : 1,026,252.72 = 404,133.84 : x - Step 2: Convert to fraction form
743,664.24/1,026,252.72 = 404,133.84/x - Step 3: Cross multiply
743,664.24x = 1,026,252.72 × 404,133.84 - Step 4: Simplify right side
743,664.24x = 414,743,452,544.05 - Step 5: Solve for x
x = 414,743,452,544.05/743,664.24 - Step 6: Final answer
x = 557,702.56
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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.