Finding the Fourth Proportional to 751,300.68, 1,036,804.14 and 411,768.12
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Solution
The fourth proportional to 751,300.68, 1,036,804.14 and 411,768.12 is: 568,245.05
Step by Step Solution
- Step 1: Write the proportion equation
751,300.68 : 1,036,804.14 = 411,768.12 : x - Step 2: Convert to fraction form
751,300.68/1,036,804.14 = 411,768.12/x - Step 3: Cross multiply
751,300.68x = 1,036,804.14 × 411,768.12 - Step 4: Simplify right side
751,300.68x = 426,922,891,536.02 - Step 5: Solve for x
x = 426,922,891,536.02/751,300.68 - Step 6: Final answer
x = 568,245.05
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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.