Finding the Fourth Proportional to 803,232.10, 1,203,207.89 and 448,435.09
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Solution
The fourth proportional to 803,232.10, 1,203,207.89 and 448,435.09 is: 671,736.89
Step by Step Solution
- Step 1: Write the proportion equation
803,232.10 : 1,203,207.89 = 448,435.09 : x - Step 2: Convert to fraction form
803,232.10/1,203,207.89 = 448,435.09/x - Step 3: Cross multiply
803,232.10x = 1,203,207.89 × 448,435.09 - Step 4: Simplify right side
803,232.10x = 539,560,633,190.67 - Step 5: Solve for x
x = 539,560,633,190.67/803,232.10 - Step 6: Final answer
x = 671,736.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.