Finding the Fourth Proportional to 863,757.41, 1,295,636.18 and 442,764.77
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Solution
The fourth proportional to 863,757.41, 1,295,636.18 and 442,764.77 is: 664,147.18
Step by Step Solution
- Step 1: Write the proportion equation
863,757.41 : 1,295,636.18 = 442,764.77 : x - Step 2: Convert to fraction form
863,757.41/1,295,636.18 = 442,764.77/x - Step 3: Cross multiply
863,757.41x = 1,295,636.18 × 442,764.77 - Step 4: Simplify right side
863,757.41x = 573,662,046,549.37 - Step 5: Solve for x
x = 573,662,046,549.37/863,757.41 - Step 6: Final answer
x = 664,147.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.