Finding the Fourth Proportional to 878,616.99, 1,317,954.51 and 302,234.49
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Solution
The fourth proportional to 878,616.99, 1,317,954.51 and 302,234.49 is: 453,361.72
Step by Step Solution
- Step 1: Write the proportion equation
878,616.99 : 1,317,954.51 = 302,234.49 : x - Step 2: Convert to fraction form
878,616.99/1,317,954.51 = 302,234.49/x - Step 3: Cross multiply
878,616.99x = 1,317,954.51 × 302,234.49 - Step 4: Simplify right side
878,616.99x = 398,331,309,173.05 - Step 5: Solve for x
x = 398,331,309,173.05/878,616.99 - Step 6: Final answer
x = 453,361.72
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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.