Finding the Fourth Proportional to 951,721.82, 1,313,690.13 and 850,831.05
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Solution
The fourth proportional to 951,721.82, 1,313,690.13 and 850,831.05 is: 1,174,427.58
Step by Step Solution
- Step 1: Write the proportion equation
951,721.82 : 1,313,690.13 = 850,831.05 : x - Step 2: Convert to fraction form
951,721.82/1,313,690.13 = 850,831.05/x - Step 3: Cross multiply
951,721.82x = 1,313,690.13 × 850,831.05 - Step 4: Simplify right side
951,721.82x = 1,117,728,352,682.54 - Step 5: Solve for x
x = 1,117,728,352,682.54/951,721.82 - Step 6: Final answer
x = 1,174,427.58
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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.