Finding the Fourth Proportional to 739,201.20, 1,108,801.80 and 664,405.80
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Solution
The fourth proportional to 739,201.20, 1,108,801.80 and 664,405.80 is: 996,608.70
Step by Step Solution
- Step 1: Write the proportion equation
739,201.20 : 1,108,801.80 = 664,405.80 : x - Step 2: Convert to fraction form
739,201.20/1,108,801.80 = 664,405.80/x - Step 3: Cross multiply
739,201.20x = 1,108,801.80 × 664,405.80 - Step 4: Simplify right side
739,201.20x = 736,694,346,970.44 - Step 5: Solve for x
x = 736,694,346,970.44/739,201.20 - Step 6: Final answer
x = 996,608.70
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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.