Finding the Fourth Proportional to 842,634.12, 1,162,853.10 and 460,696.44
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Solution
The fourth proportional to 842,634.12, 1,162,853.10 and 460,696.44 is: 635,770.94
Step by Step Solution
- Step 1: Write the proportion equation
842,634.12 : 1,162,853.10 = 460,696.44 : x - Step 2: Convert to fraction form
842,634.12/1,162,853.10 = 460,696.44/x - Step 3: Cross multiply
842,634.12x = 1,162,853.10 × 460,696.44 - Step 4: Simplify right side
842,634.12x = 535,722,283,412.96 - Step 5: Solve for x
x = 535,722,283,412.96/842,634.12 - Step 6: Final answer
x = 635,770.94
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1.5x scale
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.