Finding the Fourth Proportional to 629,576.99, 944,019.21 and 430,122.59
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Solution
The fourth proportional to 629,576.99, 944,019.21 and 430,122.59 is: 644,947.31
Step by Step Solution
- Step 1: Write the proportion equation
629,576.99 : 944,019.21 = 430,122.59 : x - Step 2: Convert to fraction form
629,576.99/944,019.21 = 430,122.59/x - Step 3: Cross multiply
629,576.99x = 944,019.21 × 430,122.59 - Step 4: Simplify right side
629,576.99x = 406,043,987,614.95 - Step 5: Solve for x
x = 406,043,987,614.95/629,576.99 - Step 6: Final answer
x = 644,947.31
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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.