Finding the Fourth Proportional to 726,615.36, 1,002,161.16 and 472,048.56
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Solution
The fourth proportional to 726,615.36, 1,002,161.16 and 472,048.56 is: 651,057.99
Step by Step Solution
- Step 1: Write the proportion equation
726,615.36 : 1,002,161.16 = 472,048.56 : x - Step 2: Convert to fraction form
726,615.36/1,002,161.16 = 472,048.56/x - Step 3: Cross multiply
726,615.36x = 1,002,161.16 × 472,048.56 - Step 4: Simplify right side
726,615.36x = 473,068,732,465.93 - Step 5: Solve for x
x = 473,068,732,465.93/726,615.36 - Step 6: Final answer
x = 651,057.99
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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.