Finding the Fourth Proportional to 748,714.80, 1,122,546.18 and 262,277.94
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Solution
The fourth proportional to 748,714.80, 1,122,546.18 and 262,277.94 is: 393,232.64
Step by Step Solution
- Step 1: Write the proportion equation
748,714.80 : 1,122,546.18 = 262,277.94 : x - Step 2: Convert to fraction form
748,714.80/1,122,546.18 = 262,277.94/x - Step 3: Cross multiply
748,714.80x = 1,122,546.18 × 262,277.94 - Step 4: Simplify right side
748,714.80x = 294,419,099,645.27 - Step 5: Solve for x
x = 294,419,099,645.27/748,714.80 - Step 6: Final answer
x = 393,232.64
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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.