Finding the Fourth Proportional to 688,972.44, 1,033,478.10 and 190,336.44
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Solution
The fourth proportional to 688,972.44, 1,033,478.10 and 190,336.44 is: 285,510.03
Step by Step Solution
- Step 1: Write the proportion equation
688,972.44 : 1,033,478.10 = 190,336.44 : x - Step 2: Convert to fraction form
688,972.44/1,033,478.10 = 190,336.44/x - Step 3: Cross multiply
688,972.44x = 1,033,478.10 × 190,336.44 - Step 4: Simplify right side
688,972.44x = 196,708,542,371.96 - Step 5: Solve for x
x = 196,708,542,371.96/688,972.44 - Step 6: Final answer
x = 285,510.03
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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.