Finding the Fourth Proportional to 633,723.66, 874,558.98 and 347,261.94
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Solution
The fourth proportional to 633,723.66, 874,558.98 and 347,261.94 is: 479,232.62
Step by Step Solution
- Step 1: Write the proportion equation
633,723.66 : 874,558.98 = 347,261.94 : x - Step 2: Convert to fraction form
633,723.66/874,558.98 = 347,261.94/x - Step 3: Cross multiply
633,723.66x = 874,558.98 × 347,261.94 - Step 4: Simplify right side
633,723.66x = 303,701,048,039.22 - Step 5: Solve for x
x = 303,701,048,039.22/633,723.66 - Step 6: Final answer
x = 479,232.62
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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.