Finding the Fourth Proportional to 823,101.81, 1,135,924.68 and 460,504.10
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Solution
The fourth proportional to 823,101.81, 1,135,924.68 and 460,504.10 is: 635,520.37
Step by Step Solution
- Step 1: Write the proportion equation
823,101.81 : 1,135,924.68 = 460,504.10 : x - Step 2: Convert to fraction form
823,101.81/1,135,924.68 = 460,504.10/x - Step 3: Cross multiply
823,101.81x = 1,135,924.68 × 460,504.10 - Step 4: Simplify right side
823,101.81x = 523,097,966,751.57 - Step 5: Solve for x
x = 523,097,966,751.57/823,101.81 - Step 6: Final answer
x = 635,520.37
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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.