Finding the Fourth Proportional to 757,618.48, 1,135,628.84 and 252,044.40
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Solution
The fourth proportional to 757,618.48, 1,135,628.84 and 252,044.40 is: 377,800.83
Step by Step Solution
- Step 1: Write the proportion equation
757,618.48 : 1,135,628.84 = 252,044.40 : x - Step 2: Convert to fraction form
757,618.48/1,135,628.84 = 252,044.40/x - Step 3: Cross multiply
757,618.48x = 1,135,628.84 × 252,044.40 - Step 4: Simplify right side
757,618.48x = 286,228,889,600.50 - Step 5: Solve for x
x = 286,228,889,600.50/757,618.48 - Step 6: Final answer
x = 377,800.83
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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.