Finding the Fourth Proportional to 738,519.44, 1,107,335.50 and 288,704.57
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Solution
The fourth proportional to 738,519.44, 1,107,335.50 and 288,704.57 is: 432,883.42
Step by Step Solution
- Step 1: Write the proportion equation
738,519.44 : 1,107,335.50 = 288,704.57 : x - Step 2: Convert to fraction form
738,519.44/1,107,335.50 = 288,704.57/x - Step 3: Cross multiply
738,519.44x = 1,107,335.50 × 288,704.57 - Step 4: Simplify right side
738,519.44x = 319,692,819,373.24 - Step 5: Solve for x
x = 319,692,819,373.24/738,519.44 - Step 6: Final answer
x = 432,883.42
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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.