Finding the Fourth Proportional to 629,576.49, 944,018.46 and 430,122.09
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Solution
The fourth proportional to 629,576.49, 944,018.46 and 430,122.09 is: 644,946.56
Step by Step Solution
- Step 1: Write the proportion equation
629,576.49 : 944,018.46 = 430,122.09 : x - Step 2: Convert to fraction form
629,576.49/944,018.46 = 430,122.09/x - Step 3: Cross multiply
629,576.49x = 944,018.46 × 430,122.09 - Step 4: Simplify right side
629,576.49x = 406,043,193,013.78 - Step 5: Solve for x
x = 406,043,193,013.78/629,576.49 - Step 6: Final answer
x = 644,946.56
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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.