Finding the Fourth Proportional to 968,930.36, 1,335,738.15 and 681,558.56
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Solution
The fourth proportional to 968,930.36, 1,335,738.15 and 681,558.56 is: 939,576.06
Step by Step Solution
- Step 1: Write the proportion equation
968,930.36 : 1,335,738.15 = 681,558.56 : x - Step 2: Convert to fraction form
968,930.36/1,335,738.15 = 681,558.56/x - Step 3: Cross multiply
968,930.36x = 1,335,738.15 × 681,558.56 - Step 4: Simplify right side
968,930.36x = 910,383,763,372.37 - Step 5: Solve for x
x = 910,383,763,372.37/968,930.36 - Step 6: Final answer
x = 939,576.06
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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.