Finding the Fourth Proportional to 936,961.44, 1,405,416.64 and 263,048.32
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Solution
The fourth proportional to 936,961.44, 1,405,416.64 and 263,048.32 is: 394,565.32
Step by Step Solution
- Step 1: Write the proportion equation
936,961.44 : 1,405,416.64 = 263,048.32 : x - Step 2: Convert to fraction form
936,961.44/1,405,416.64 = 263,048.32/x - Step 3: Cross multiply
936,961.44x = 1,405,416.64 × 263,048.32 - Step 4: Simplify right side
936,961.44x = 369,692,486,052.05 - Step 5: Solve for x
x = 369,692,486,052.05/936,961.44 - Step 6: Final answer
x = 394,565.32
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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.