Finding the Fourth Proportional to 729,675.10, 1,094,512.65 and 449,739.10
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Solution
The fourth proportional to 729,675.10, 1,094,512.65 and 449,739.10 is: 674,608.65
Step by Step Solution
- Step 1: Write the proportion equation
729,675.10 : 1,094,512.65 = 449,739.10 : x - Step 2: Convert to fraction form
729,675.10/1,094,512.65 = 449,739.10/x - Step 3: Cross multiply
729,675.10x = 1,094,512.65 × 449,739.10 - Step 4: Simplify right side
729,675.10x = 492,245,134,149.62 - Step 5: Solve for x
x = 492,245,134,149.62/729,675.10 - Step 6: Final answer
x = 674,608.65
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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.