Finding the Fourth Proportional to 1,149,278.64, 1,722,735.09 and 509,883.49
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Solution
The fourth proportional to 1,149,278.64, 1,722,735.09 and 509,883.49 is: 764,300.45
Step by Step Solution
- Step 1: Write the proportion equation
1,149,278.64 : 1,722,735.09 = 509,883.49 : x - Step 2: Convert to fraction form
1,149,278.64/1,722,735.09 = 509,883.49/x - Step 3: Cross multiply
1,149,278.64x = 1,722,735.09 × 509,883.49 - Step 4: Simplify right side
1,149,278.64x = 878,394,184,100.15 - Step 5: Solve for x
x = 878,394,184,100.15/1,149,278.64 - Step 6: Final answer
x = 764,300.45
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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.