Finding the Fourth Proportional to 801,825.74, 1,106,516.26 and 439,249.09
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Solution
The fourth proportional to 801,825.74, 1,106,516.26 and 439,249.09 is: 606,161.96
Step by Step Solution
- Step 1: Write the proportion equation
801,825.74 : 1,106,516.26 = 439,249.09 : x - Step 2: Convert to fraction form
801,825.74/1,106,516.26 = 439,249.09/x - Step 3: Cross multiply
801,825.74x = 1,106,516.26 × 439,249.09 - Step 4: Simplify right side
801,825.74x = 486,036,260,275.20 - Step 5: Solve for x
x = 486,036,260,275.20/801,825.74 - Step 6: Final answer
x = 606,161.96
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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.