Finding the Fourth Proportional to 681,201.48, 940,058.28 and 394,887.81
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Solution
The fourth proportional to 681,201.48, 940,058.28 and 394,887.81 is: 544,945.32
Step by Step Solution
- Step 1: Write the proportion equation
681,201.48 : 940,058.28 = 394,887.81 : x - Step 2: Convert to fraction form
681,201.48/940,058.28 = 394,887.81/x - Step 3: Cross multiply
681,201.48x = 940,058.28 × 394,887.81 - Step 4: Simplify right side
681,201.48x = 371,217,555,461.57 - Step 5: Solve for x
x = 371,217,555,461.57/681,201.48 - Step 6: Final answer
x = 544,945.32
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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.