Finding the Fourth Proportional to 842,283.38, 1,162,348.49 and 460,310.18
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Solution
The fourth proportional to 842,283.38, 1,162,348.49 and 460,310.18 is: 635,226.63
Step by Step Solution
- Step 1: Write the proportion equation
842,283.38 : 1,162,348.49 = 460,310.18 : x - Step 2: Convert to fraction form
842,283.38/1,162,348.49 = 460,310.18/x - Step 3: Cross multiply
842,283.38x = 1,162,348.49 × 460,310.18 - Step 4: Simplify right side
842,283.38x = 535,040,837,993.66 - Step 5: Solve for x
x = 535,040,837,993.66/842,283.38 - Step 6: Final answer
x = 635,226.63
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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.