Finding the Fourth Proportional to 747,589.94, 1,121,249.58 and 214,980.26
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Solution
The fourth proportional to 747,589.94, 1,121,249.58 and 214,980.26 is: 322,431.47
Step by Step Solution
- Step 1: Write the proportion equation
747,589.94 : 1,121,249.58 = 214,980.26 : x - Step 2: Convert to fraction form
747,589.94/1,121,249.58 = 214,980.26/x - Step 3: Cross multiply
747,589.94x = 1,121,249.58 × 214,980.26 - Step 4: Simplify right side
747,589.94x = 241,046,526,233.29 - Step 5: Solve for x
x = 241,046,526,233.29/747,589.94 - Step 6: Final answer
x = 322,431.47
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1.5x scale
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.