Finding the Fourth Proportional to 853,324.20, 1,177,584.48 and 490,730.94
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Solution
The fourth proportional to 853,324.20, 1,177,584.48 and 490,730.94 is: 677,207.02
Step by Step Solution
- Step 1: Write the proportion equation
853,324.20 : 1,177,584.48 = 490,730.94 : x - Step 2: Convert to fraction form
853,324.20/1,177,584.48 = 490,730.94/x - Step 3: Cross multiply
853,324.20x = 1,177,584.48 × 490,730.94 - Step 4: Simplify right side
853,324.20x = 577,877,138,799.81 - Step 5: Solve for x
x = 577,877,138,799.81/853,324.20 - Step 6: Final answer
x = 677,207.02
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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.