Finding the Fourth Proportional to 434,840.20, 652,260.30 and 419,093.80
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Solution
The fourth proportional to 434,840.20, 652,260.30 and 419,093.80 is: 628,640.70
Step by Step Solution
- Step 1: Write the proportion equation
434,840.20 : 652,260.30 = 419,093.80 : x - Step 2: Convert to fraction form
434,840.20/652,260.30 = 419,093.80/x - Step 3: Cross multiply
434,840.20x = 652,260.30 × 419,093.80 - Step 4: Simplify right side
434,840.20x = 273,358,247,716.14 - Step 5: Solve for x
x = 273,358,247,716.14/434,840.20 - Step 6: Final answer
x = 628,640.70
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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.