Finding the Fourth Proportional to 853,336.83, 1,177,640.60 and 490,760.99
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Solution
The fourth proportional to 853,336.83, 1,177,640.60 and 490,760.99 is: 677,270.73
Step by Step Solution
- Step 1: Write the proportion equation
853,336.83 : 1,177,640.60 = 490,760.99 : x - Step 2: Convert to fraction form
853,336.83/1,177,640.60 = 490,760.99/x - Step 3: Cross multiply
853,336.83x = 1,177,640.60 × 490,760.99 - Step 4: Simplify right side
853,336.83x = 577,940,058,378.19 - Step 5: Solve for x
x = 577,940,058,378.19/853,336.83 - Step 6: Final answer
x = 677,270.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.