Finding the Fourth Proportional to 769,428.63, 1,154,088.24 and 236,894.13
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Solution
The fourth proportional to 769,428.63, 1,154,088.24 and 236,894.13 is: 355,324.35
Step by Step Solution
- Step 1: Write the proportion equation
769,428.63 : 1,154,088.24 = 236,894.13 : x - Step 2: Convert to fraction form
769,428.63/1,154,088.24 = 236,894.13/x - Step 3: Cross multiply
769,428.63x = 1,154,088.24 × 236,894.13 - Step 4: Simplify right side
769,428.63x = 273,396,729,558.03 - Step 5: Solve for x
x = 273,396,729,558.03/769,428.63 - Step 6: Final answer
x = 355,324.35
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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.