Finding the Fourth Proportional to 810,027.36, 1,117,791.50 and 483,708.65
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Solution
The fourth proportional to 810,027.36, 1,117,791.50 and 483,708.65 is: 667,490.30
Step by Step Solution
- Step 1: Write the proportion equation
810,027.36 : 1,117,791.50 = 483,708.65 : x - Step 2: Convert to fraction form
810,027.36/1,117,791.50 = 483,708.65/x - Step 3: Cross multiply
810,027.36x = 1,117,791.50 × 483,708.65 - Step 4: Simplify right side
810,027.36x = 540,685,409,438.97 - Step 5: Solve for x
x = 540,685,409,438.97/810,027.36 - Step 6: Final answer
x = 667,490.30
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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.