Finding the Fourth Proportional to 804,538.76, 1,207,317.24 and 449,785.49
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Solution
The fourth proportional to 804,538.76, 1,207,317.24 and 449,785.49 is: 674,962.85
Step by Step Solution
- Step 1: Write the proportion equation
804,538.76 : 1,207,317.24 = 449,785.49 : x - Step 2: Convert to fraction form
804,538.76/1,207,317.24 = 449,785.49/x - Step 3: Cross multiply
804,538.76x = 1,207,317.24 × 449,785.49 - Step 4: Simplify right side
804,538.76x = 543,033,776,378.85 - Step 5: Solve for x
x = 543,033,776,378.85/804,538.76 - Step 6: Final answer
x = 674,962.85
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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.