Finding the Fourth Proportional to 521,987.26, 782,183.84 and 372,542.26
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Solution
The fourth proportional to 521,987.26, 782,183.84 and 372,542.26 is: 558,244.54
Step by Step Solution
- Step 1: Write the proportion equation
521,987.26 : 782,183.84 = 372,542.26 : x - Step 2: Convert to fraction form
521,987.26/782,183.84 = 372,542.26/x - Step 3: Cross multiply
521,987.26x = 782,183.84 × 372,542.26 - Step 4: Simplify right side
521,987.26x = 291,396,535,489.08 - Step 5: Solve for x
x = 291,396,535,489.08/521,987.26 - Step 6: Final answer
x = 558,244.54
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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.