Finding the Fourth Proportional to 618,352.44, 853,132.68 and 346,383.60
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Solution
The fourth proportional to 618,352.44, 853,132.68 and 346,383.60 is: 477,900.87
Step by Step Solution
- Step 1: Write the proportion equation
618,352.44 : 853,132.68 = 346,383.60 : x - Step 2: Convert to fraction form
618,352.44/853,132.68 = 346,383.60/x - Step 3: Cross multiply
618,352.44x = 853,132.68 × 346,383.60 - Step 4: Simplify right side
618,352.44x = 295,511,168,976.05 - Step 5: Solve for x
x = 295,511,168,976.05/618,352.44 - Step 6: Final answer
x = 477,900.87
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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.