Finding the Fourth Proportional to 498,435.28, 743,838.57 and 445,247.44
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Solution
The fourth proportional to 498,435.28, 743,838.57 and 445,247.44 is: 664,463.84
Step by Step Solution
- Step 1: Write the proportion equation
498,435.28 : 743,838.57 = 445,247.44 : x - Step 2: Convert to fraction form
498,435.28/743,838.57 = 445,247.44/x - Step 3: Cross multiply
498,435.28x = 743,838.57 × 445,247.44 - Step 4: Simplify right side
498,435.28x = 331,192,219,065.76 - Step 5: Solve for x
x = 331,192,219,065.76/498,435.28 - Step 6: Final answer
x = 664,463.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.