Finding the Fourth Proportional to 633,630.48, 874,410.08 and 347,161.44
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Solution
The fourth proportional to 633,630.48, 874,410.08 and 347,161.44 is: 479,082.80
Step by Step Solution
- Step 1: Write the proportion equation
633,630.48 : 874,410.08 = 347,161.44 : x - Step 2: Convert to fraction form
633,630.48/874,410.08 = 347,161.44/x - Step 3: Cross multiply
633,630.48x = 874,410.08 × 347,161.44 - Step 4: Simplify right side
633,630.48x = 303,561,462,523.32 - Step 5: Solve for x
x = 303,561,462,523.32/633,630.48 - Step 6: Final answer
x = 479,082.80
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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.