Finding the Fourth Proportional to 893,858.09, 1,233,537.46 and 485,958.99
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Solution
The fourth proportional to 893,858.09, 1,233,537.46 and 485,958.99 is: 670,630.64
Step by Step Solution
- Step 1: Write the proportion equation
893,858.09 : 1,233,537.46 = 485,958.99 : x - Step 2: Convert to fraction form
893,858.09/1,233,537.46 = 485,958.99/x - Step 3: Cross multiply
893,858.09x = 1,233,537.46 × 485,958.99 - Step 4: Simplify right side
893,858.09x = 599,448,621,599.63 - Step 5: Solve for x
x = 599,448,621,599.63/893,858.09 - Step 6: Final answer
x = 670,630.64
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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.