Finding the Fourth Proportional to 629,901.27, 869,268.84 and 343,423.44
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Solution
The fourth proportional to 629,901.27, 869,268.84 and 343,423.44 is: 473,927.12
Step by Step Solution
- Step 1: Write the proportion equation
629,901.27 : 869,268.84 = 343,423.44 : x - Step 2: Convert to fraction form
629,901.27/869,268.84 = 343,423.44/x - Step 3: Cross multiply
629,901.27x = 869,268.84 × 343,423.44 - Step 4: Simplify right side
629,901.27x = 298,527,295,317.61 - Step 5: Solve for x
x = 298,527,295,317.61/629,901.27 - Step 6: Final answer
x = 473,927.12
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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.