Finding the Fourth Proportional to 810,949.19, 1,119,064.68 and 448,351.88
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Solution
The fourth proportional to 810,949.19, 1,119,064.68 and 448,351.88 is: 618,700.60
Step by Step Solution
- Step 1: Write the proportion equation
810,949.19 : 1,119,064.68 = 448,351.88 : x - Step 2: Convert to fraction form
810,949.19/1,119,064.68 = 448,351.88/x - Step 3: Cross multiply
810,949.19x = 1,119,064.68 × 448,351.88 - Step 4: Simplify right side
810,949.19x = 501,734,747,524.28 - Step 5: Solve for x
x = 501,734,747,524.28/810,949.19 - Step 6: Final answer
x = 618,700.60
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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.