Finding the Fourth Proportional to 843,814.21, 1,164,463.60 and 461,840.99
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Solution
The fourth proportional to 843,814.21, 1,164,463.60 and 461,840.99 is: 637,340.56
Step by Step Solution
- Step 1: Write the proportion equation
843,814.21 : 1,164,463.60 = 461,840.99 : x - Step 2: Convert to fraction form
843,814.21/1,164,463.60 = 461,840.99/x - Step 3: Cross multiply
843,814.21x = 1,164,463.60 × 461,840.99 - Step 4: Simplify right side
843,814.21x = 537,797,016,020.65 - Step 5: Solve for x
x = 537,797,016,020.65/843,814.21 - Step 6: Final answer
x = 637,340.56
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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.