Finding the Fourth Proportional to 756,189.14, 1,134,807.59 and 300,733.70
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Solution
The fourth proportional to 756,189.14, 1,134,807.59 and 300,733.70 is: 451,308.90
Step by Step Solution
- Step 1: Write the proportion equation
756,189.14 : 1,134,807.59 = 300,733.70 : x - Step 2: Convert to fraction form
756,189.14/1,134,807.59 = 300,733.70/x - Step 3: Cross multiply
756,189.14x = 1,134,807.59 × 300,733.70 - Step 4: Simplify right side
756,189.14x = 341,274,886,662.13 - Step 5: Solve for x
x = 341,274,886,662.13/756,189.14 - Step 6: Final answer
x = 451,308.90
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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.