Finding the Fourth Proportional to 688,868.26, 1,033,321.84 and 190,232.26
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Solution
The fourth proportional to 688,868.26, 1,033,321.84 and 190,232.26 is: 285,353.76
Step by Step Solution
- Step 1: Write the proportion equation
688,868.26 : 1,033,321.84 = 190,232.26 : x - Step 2: Convert to fraction form
688,868.26/1,033,321.84 = 190,232.26/x - Step 3: Cross multiply
688,868.26x = 1,033,321.84 × 190,232.26 - Step 4: Simplify right side
688,868.26x = 196,571,148,930.56 - Step 5: Solve for x
x = 196,571,148,930.56/688,868.26 - Step 6: Final answer
x = 285,353.76
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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.