Finding the Fourth Proportional to 872,945.44, 1,204,652.84 and 490,972.12
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Solution
The fourth proportional to 872,945.44, 1,204,652.84 and 490,972.12 is: 677,534.85
Step by Step Solution
- Step 1: Write the proportion equation
872,945.44 : 1,204,652.84 = 490,972.12 : x - Step 2: Convert to fraction form
872,945.44/1,204,652.84 = 490,972.12/x - Step 3: Cross multiply
872,945.44x = 1,204,652.84 × 490,972.12 - Step 4: Simplify right side
872,945.44x = 591,450,958,718.82 - Step 5: Solve for x
x = 591,450,958,718.82/872,945.44 - Step 6: Final answer
x = 677,534.85
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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.