Finding the Fourth Proportional to 892,861.54, 1,232,163.23 and 484,963.66
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Solution
The fourth proportional to 892,861.54, 1,232,163.23 and 484,963.66 is: 669,257.62
Step by Step Solution
- Step 1: Write the proportion equation
892,861.54 : 1,232,163.23 = 484,963.66 : x - Step 2: Convert to fraction form
892,861.54/1,232,163.23 = 484,963.66/x - Step 3: Cross multiply
892,861.54x = 1,232,163.23 × 484,963.66 - Step 4: Simplify right side
892,861.54x = 597,554,393,300.31 - Step 5: Solve for x
x = 597,554,393,300.31/892,861.54 - Step 6: Final answer
x = 669,257.62
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1.5x scale
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.