Finding the Fourth Proportional to 682,997.09, 942,602.94 and 396,500.09
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Solution
The fourth proportional to 682,997.09, 942,602.94 and 396,500.09 is: 547,208.99
Step by Step Solution
- Step 1: Write the proportion equation
682,997.09 : 942,602.94 = 396,500.09 : x - Step 2: Convert to fraction form
682,997.09/942,602.94 = 396,500.09/x - Step 3: Cross multiply
682,997.09x = 942,602.94 × 396,500.09 - Step 4: Simplify right side
682,997.09x = 373,742,145,831.25 - Step 5: Solve for x
x = 373,742,145,831.25/682,997.09 - Step 6: Final answer
x = 547,208.99
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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.