Finding the Fourth Proportional to 872,863.56, 1,204,453.80 and 490,882.14
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Solution
The fourth proportional to 872,863.56, 1,204,453.80 and 490,882.14 is: 677,362.29
Step by Step Solution
- Step 1: Write the proportion equation
872,863.56 : 1,204,453.80 = 490,882.14 : x - Step 2: Convert to fraction form
872,863.56/1,204,453.80 = 490,882.14/x - Step 3: Cross multiply
872,863.56x = 1,204,453.80 × 490,882.14 - Step 4: Simplify right side
872,863.56x = 591,244,858,875.13 - Step 5: Solve for x
x = 591,244,858,875.13/872,863.56 - Step 6: Final answer
x = 677,362.29
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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.