Finding the Fourth Proportional to 819,616.24, 1,229,424.36 and 220,578.70
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Solution
The fourth proportional to 819,616.24, 1,229,424.36 and 220,578.70 is: 330,868.05
Step by Step Solution
- Step 1: Write the proportion equation
819,616.24 : 1,229,424.36 = 220,578.70 : x - Step 2: Convert to fraction form
819,616.24/1,229,424.36 = 220,578.70/x - Step 3: Cross multiply
819,616.24x = 1,229,424.36 × 220,578.70 - Step 4: Simplify right side
819,616.24x = 271,184,827,077.13 - Step 5: Solve for x
x = 271,184,827,077.13/819,616.24 - Step 6: Final answer
x = 330,868.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.