Finding the Fourth Proportional to 708,524.21, 1,062,676.73 and 259,139.99
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Solution
The fourth proportional to 708,524.21, 1,062,676.73 and 259,139.99 is: 388,669.90
Step by Step Solution
- Step 1: Write the proportion equation
708,524.21 : 1,062,676.73 = 259,139.99 : x - Step 2: Convert to fraction form
708,524.21/1,062,676.73 = 259,139.99/x - Step 3: Cross multiply
708,524.21x = 1,062,676.73 × 259,139.99 - Step 4: Simplify right side
708,524.21x = 275,382,030,576.35 - Step 5: Solve for x
x = 275,382,030,576.35/708,524.21 - Step 6: Final answer
x = 388,669.90
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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.