Finding the Fourth Proportional to 854,450.26, 1,281,955.98 and 349,435.97
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Solution
The fourth proportional to 854,450.26, 1,281,955.98 and 349,435.97 is: 524,268.70
Step by Step Solution
- Step 1: Write the proportion equation
854,450.26 : 1,281,955.98 = 349,435.97 : x - Step 2: Convert to fraction form
854,450.26/1,281,955.98 = 349,435.97/x - Step 3: Cross multiply
854,450.26x = 1,281,955.98 × 349,435.97 - Step 4: Simplify right side
854,450.26x = 447,961,524,303.63 - Step 5: Solve for x
x = 447,961,524,303.63/854,450.26 - Step 6: Final answer
x = 524,268.70
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1.5x scale
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.