Finding the Fourth Proportional to 734,881.26, 1,102,322.70 and 291,649.26
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Solution
The fourth proportional to 734,881.26, 1,102,322.70 and 291,649.26 is: 437,474.21
Step by Step Solution
- Step 1: Write the proportion equation
734,881.26 : 1,102,322.70 = 291,649.26 : x - Step 2: Convert to fraction form
734,881.26/1,102,322.70 = 291,649.26/x - Step 3: Cross multiply
734,881.26x = 1,102,322.70 × 291,649.26 - Step 4: Simplify right side
734,881.26x = 321,491,599,736.20 - Step 5: Solve for x
x = 321,491,599,736.20/734,881.26 - Step 6: Final answer
x = 437,474.21
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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.