Finding the Fourth Proportional to 872,725.68, 1,204,353.90 and 490,744.26
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Solution
The fourth proportional to 872,725.68, 1,204,353.90 and 490,744.26 is: 677,222.84
Step by Step Solution
- Step 1: Write the proportion equation
872,725.68 : 1,204,353.90 = 490,744.26 : x - Step 2: Convert to fraction form
872,725.68/1,204,353.90 = 490,744.26/x - Step 3: Cross multiply
872,725.68x = 1,204,353.90 × 490,744.26 - Step 4: Simplify right side
872,725.68x = 591,029,763,433.61 - Step 5: Solve for x
x = 591,029,763,433.61/872,725.68 - Step 6: Final answer
x = 677,222.84
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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.