Finding the Fourth Proportional to 930,896.44, 1,396,316.74 and 257,018.88
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Solution
The fourth proportional to 930,896.44, 1,396,316.74 and 257,018.88 is: 385,520.61
Step by Step Solution
- Step 1: Write the proportion equation
930,896.44 : 1,396,316.74 = 257,018.88 : x - Step 2: Convert to fraction form
930,896.44/1,396,316.74 = 257,018.88/x - Step 3: Cross multiply
930,896.44x = 1,396,316.74 × 257,018.88 - Step 4: Simplify right side
930,896.44x = 358,879,764,640.05 - Step 5: Solve for x
x = 358,879,764,640.05/930,896.44 - Step 6: Final answer
x = 385,520.61
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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.