Finding the Fourth Proportional to 822,812.44, 1,135,586.34 and 460,256.44
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Solution
The fourth proportional to 822,812.44, 1,135,586.34 and 460,256.44 is: 635,212.72
Step by Step Solution
- Step 1: Write the proportion equation
822,812.44 : 1,135,586.34 = 460,256.44 : x - Step 2: Convert to fraction form
822,812.44/1,135,586.34 = 460,256.44/x - Step 3: Cross multiply
822,812.44x = 1,135,586.34 × 460,256.44 - Step 4: Simplify right side
822,812.44x = 522,660,926,161.03 - Step 5: Solve for x
x = 522,660,926,161.03/822,812.44 - Step 6: Final answer
x = 635,212.72
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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.