Finding the Fourth Proportional to 633,542.25, 874,310.06 and 347,062.26
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Solution
The fourth proportional to 633,542.25, 874,310.06 and 347,062.26 is: 478,957.83
Step by Step Solution
- Step 1: Write the proportion equation
633,542.25 : 874,310.06 = 347,062.26 : x - Step 2: Convert to fraction form
633,542.25/874,310.06 = 347,062.26/x - Step 3: Cross multiply
633,542.25x = 874,310.06 × 347,062.26 - Step 4: Simplify right side
633,542.25x = 303,440,021,443.25 - Step 5: Solve for x
x = 303,440,021,443.25/633,542.25 - Step 6: Final answer
x = 478,957.83
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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.