Finding the Fourth Proportional to 802,647.99, 1,107,648.37 and 440,065.87
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Solution
The fourth proportional to 802,647.99, 1,107,648.37 and 440,065.87 is: 607,287.69
Step by Step Solution
- Step 1: Write the proportion equation
802,647.99 : 1,107,648.37 = 440,065.87 : x - Step 2: Convert to fraction form
802,647.99/1,107,648.37 = 440,065.87/x - Step 3: Cross multiply
802,647.99x = 1,107,648.37 × 440,065.87 - Step 4: Simplify right side
802,647.99x = 487,438,241,379.09 - Step 5: Solve for x
x = 487,438,241,379.09/802,647.99 - Step 6: Final answer
x = 607,287.69
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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.