Finding the Fourth Proportional to 751,371.74, 1,036,999.33 and 464,984.09
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Solution
The fourth proportional to 751,371.74, 1,036,999.33 and 464,984.09 is: 641,743.84
Step by Step Solution
- Step 1: Write the proportion equation
751,371.74 : 1,036,999.33 = 464,984.09 : x - Step 2: Convert to fraction form
751,371.74/1,036,999.33 = 464,984.09/x - Step 3: Cross multiply
751,371.74x = 1,036,999.33 × 464,984.09 - Step 4: Simplify right side
751,371.74x = 482,188,183,443.20 - Step 5: Solve for x
x = 482,188,183,443.20/751,371.74 - Step 6: Final answer
x = 641,743.84
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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.