Finding the Fourth Proportional to 816,164.31, 1,223,212.37 and 461,379.99
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Solution
The fourth proportional to 816,164.31, 1,223,212.37 and 461,379.99 is: 691,485.41
Step by Step Solution
- Step 1: Write the proportion equation
816,164.31 : 1,223,212.37 = 461,379.99 : x - Step 2: Convert to fraction form
816,164.31/1,223,212.37 = 461,379.99/x - Step 3: Cross multiply
816,164.31x = 1,223,212.37 × 461,379.99 - Step 4: Simplify right side
816,164.31x = 564,365,708,731.58 - Step 5: Solve for x
x = 564,365,708,731.58/816,164.31 - Step 6: Final answer
x = 691,485.41
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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.