Finding the Fourth Proportional to 751,651.74, 1,127,305.08 and 448,131.78
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Solution
The fourth proportional to 751,651.74, 1,127,305.08 and 448,131.78 is: 672,094.81
Step by Step Solution
- Step 1: Write the proportion equation
751,651.74 : 1,127,305.08 = 448,131.78 : x - Step 2: Convert to fraction form
751,651.74/1,127,305.08 = 448,131.78/x - Step 3: Cross multiply
751,651.74x = 1,127,305.08 × 448,131.78 - Step 4: Simplify right side
751,651.74x = 505,181,232,103.44 - Step 5: Solve for x
x = 505,181,232,103.44/751,651.74 - Step 6: Final answer
x = 672,094.81
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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.