Finding the Fourth Proportional to 751,638.69, 1,037,303.82 and 445,896.09
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Solution
The fourth proportional to 751,638.69, 1,037,303.82 and 445,896.09 is: 615,361.77
Step by Step Solution
- Step 1: Write the proportion equation
751,638.69 : 1,037,303.82 = 445,896.09 : x - Step 2: Convert to fraction form
751,638.69/1,037,303.82 = 445,896.09/x - Step 3: Cross multiply
751,638.69x = 1,037,303.82 × 445,896.09 - Step 4: Simplify right side
751,638.69x = 462,529,717,480.06 - Step 5: Solve for x
x = 462,529,717,480.06/751,638.69 - Step 6: Final answer
x = 615,361.77
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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.