Finding the Fourth Proportional to 822,805.44, 1,135,576.68 and 460,249.44
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Solution
The fourth proportional to 822,805.44, 1,135,576.68 and 460,249.44 is: 635,203.06
Step by Step Solution
- Step 1: Write the proportion equation
822,805.44 : 1,135,576.68 = 460,249.44 : x - Step 2: Convert to fraction form
822,805.44/1,135,576.68 = 460,249.44/x - Step 3: Cross multiply
822,805.44x = 1,135,576.68 × 460,249.44 - Step 4: Simplify right side
822,805.44x = 522,648,531,047.06 - Step 5: Solve for x
x = 522,648,531,047.06/822,805.44 - Step 6: Final answer
x = 635,203.06
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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.