Finding the Fourth Proportional to 1,131,512.48, 1,697,029.68 and 332,576.72
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Solution
The fourth proportional to 1,131,512.48, 1,697,029.68 and 332,576.72 is: 498,794.82
Step by Step Solution
- Step 1: Write the proportion equation
1,131,512.48 : 1,697,029.68 = 332,576.72 : x - Step 2: Convert to fraction form
1,131,512.48/1,697,029.68 = 332,576.72/x - Step 3: Cross multiply
1,131,512.48x = 1,697,029.68 × 332,576.72 - Step 4: Simplify right side
1,131,512.48x = 564,392,564,717.05 - Step 5: Solve for x
x = 564,392,564,717.05/1,131,512.48 - Step 6: Final answer
x = 498,794.82
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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.