Finding the Fourth Proportional to 1,476,789.63, 2,215,184.44 and 354,858.63
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Solution
The fourth proportional to 1,476,789.63, 2,215,184.44 and 354,858.63 is: 532,287.94
Step by Step Solution
- Step 1: Write the proportion equation
1,476,789.63 : 2,215,184.44 = 354,858.63 : x - Step 2: Convert to fraction form
1,476,789.63/2,215,184.44 = 354,858.63/x - Step 3: Cross multiply
1,476,789.63x = 2,215,184.44 × 354,858.63 - Step 4: Simplify right side
1,476,789.63x = 786,077,315,575.72 - Step 5: Solve for x
x = 786,077,315,575.72/1,476,789.63 - Step 6: Final answer
x = 532,287.94
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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.