Finding the Fourth Proportional to 830,704.68, 1,246,039.08 and 231,649.88
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Solution
The fourth proportional to 830,704.68, 1,246,039.08 and 231,649.88 is: 347,469.82
Step by Step Solution
- Step 1: Write the proportion equation
830,704.68 : 1,246,039.08 = 231,649.88 : x - Step 2: Convert to fraction form
830,704.68/1,246,039.08 = 231,649.88/x - Step 3: Cross multiply
830,704.68x = 1,246,039.08 × 231,649.88 - Step 4: Simplify right side
830,704.68x = 288,644,803,357.31 - Step 5: Solve for x
x = 288,644,803,357.31/830,704.68 - Step 6: Final answer
x = 347,469.82
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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.