Finding the Fourth Proportional to 629,757.26, 869,032.23 and 357,787.41
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Solution
The fourth proportional to 629,757.26, 869,032.23 and 357,787.41 is: 493,727.99
Step by Step Solution
- Step 1: Write the proportion equation
629,757.26 : 869,032.23 = 357,787.41 : x - Step 2: Convert to fraction form
629,757.26/869,032.23 = 357,787.41/x - Step 3: Cross multiply
629,757.26x = 869,032.23 × 357,787.41 - Step 4: Simplify right side
629,757.26x = 310,928,786,177.65 - Step 5: Solve for x
x = 310,928,786,177.65/629,757.26 - Step 6: Final answer
x = 493,727.99
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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.