Finding the Fourth Proportional to 693,728.82, 1,040,569.47 and 294,112.26
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Solution
The fourth proportional to 693,728.82, 1,040,569.47 and 294,112.26 is: 441,158.32
Step by Step Solution
- Step 1: Write the proportion equation
693,728.82 : 1,040,569.47 = 294,112.26 : x - Step 2: Convert to fraction form
693,728.82/1,040,569.47 = 294,112.26/x - Step 3: Cross multiply
693,728.82x = 1,040,569.47 × 294,112.26 - Step 4: Simplify right side
693,728.82x = 306,044,238,508.70 - Step 5: Solve for x
x = 306,044,238,508.70/693,728.82 - Step 6: Final answer
x = 441,158.32
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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.