Finding the Fourth Proportional to 633,542.99, 874,311.09 and 347,063
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Solution
The fourth proportional to 633,542.99, 874,311.09 and 347,063 is: 478,958.86
Step by Step Solution
- Step 1: Write the proportion equation
633,542.99 : 874,311.09 = 347,063 : x - Step 2: Convert to fraction form
633,542.99/874,311.09 = 347,063/x - Step 3: Cross multiply
633,542.99x = 874,311.09 × 347,063 - Step 4: Simplify right side
633,542.99x = 303,441,029,828.67 - Step 5: Solve for x
x = 303,441,029,828.67/633,542.99 - Step 6: Final answer
x = 478,958.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.