Finding the Fourth Proportional to 844,274.75, 1,165,099.39 and 457,090.09
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Solution
The fourth proportional to 844,274.75, 1,165,099.39 and 457,090.09 is: 630,784.45
Step by Step Solution
- Step 1: Write the proportion equation
844,274.75 : 1,165,099.39 = 457,090.09 : x - Step 2: Convert to fraction form
844,274.75/1,165,099.39 = 457,090.09/x - Step 3: Cross multiply
844,274.75x = 1,165,099.39 × 457,090.09 - Step 4: Simplify right side
844,274.75x = 532,555,383,549.70 - Step 5: Solve for x
x = 532,555,383,549.70/844,274.75 - Step 6: Final answer
x = 630,784.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.