Finding the Fourth Proportional to 770,009.24, 1,062,744 and 447,906.08
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Solution
The fourth proportional to 770,009.24, 1,062,744 and 447,906.08 is: 618,186.74
Step by Step Solution
- Step 1: Write the proportion equation
770,009.24 : 1,062,744 = 447,906.08 : x - Step 2: Convert to fraction form
770,009.24/1,062,744 = 447,906.08/x - Step 3: Cross multiply
770,009.24x = 1,062,744 × 447,906.08 - Step 4: Simplify right side
770,009.24x = 476,009,499,083.52 - Step 5: Solve for x
x = 476,009,499,083.52/770,009.24 - Step 6: Final answer
x = 618,186.74
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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.