Finding the Fourth Proportional to 822,722.63, 1,135,350.68 and 460,146.20
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Solution
The fourth proportional to 822,722.63, 1,135,350.68 and 460,146.20 is: 634,998.09
Step by Step Solution
- Step 1: Write the proportion equation
822,722.63 : 1,135,350.68 = 460,146.20 : x - Step 2: Convert to fraction form
822,722.63/1,135,350.68 = 460,146.20/x - Step 3: Cross multiply
822,722.63x = 1,135,350.68 × 460,146.20 - Step 4: Simplify right side
822,722.63x = 522,427,293,091.93 - Step 5: Solve for x
x = 522,427,293,091.93/822,722.63 - Step 6: Final answer
x = 634,998.09
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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.