Finding the Fourth Proportional to 850,900.09, 1,276,727.05 and 445,996.07
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Solution
The fourth proportional to 850,900.09, 1,276,727.05 and 445,996.07 is: 669,191.66
Step by Step Solution
- Step 1: Write the proportion equation
850,900.09 : 1,276,727.05 = 445,996.07 : x - Step 2: Convert to fraction form
850,900.09/1,276,727.05 = 445,996.07/x - Step 3: Cross multiply
850,900.09x = 1,276,727.05 × 445,996.07 - Step 4: Simplify right side
850,900.09x = 569,415,244,532.71 - Step 5: Solve for x
x = 569,415,244,532.71/850,900.09 - Step 6: Final answer
x = 669,191.66
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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.