Finding the Fourth Proportional to 629,977.26, 869,369.49 and 343,497.34
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Solution
The fourth proportional to 629,977.26, 869,369.49 and 343,497.34 is: 474,026.80
Step by Step Solution
- Step 1: Write the proportion equation
629,977.26 : 869,369.49 = 343,497.34 : x - Step 2: Convert to fraction form
629,977.26/869,369.49 = 343,497.34/x - Step 3: Cross multiply
629,977.26x = 869,369.49 × 343,497.34 - Step 4: Simplify right side
629,977.26x = 298,626,108,378.87 - Step 5: Solve for x
x = 298,626,108,378.87/629,977.26 - Step 6: Final answer
x = 474,026.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.