Finding the Fourth Proportional to 770,936.51, 1,155,739.62 and 371,027.09
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Solution
The fourth proportional to 770,936.51, 1,155,739.62 and 371,027.09 is: 556,220.52
Step by Step Solution
- Step 1: Write the proportion equation
770,936.51 : 1,155,739.62 = 371,027.09 : x - Step 2: Convert to fraction form
770,936.51/1,155,739.62 = 371,027.09/x - Step 3: Cross multiply
770,936.51x = 1,155,739.62 × 371,027.09 - Step 4: Simplify right side
770,936.51x = 428,810,708,006.31 - Step 5: Solve for x
x = 428,810,708,006.31/770,936.51 - Step 6: Final answer
x = 556,220.52
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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.