Finding the Fourth Proportional to 794,757.12, 1,096,793.66 and 455,290.98
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Solution
The fourth proportional to 794,757.12, 1,096,793.66 and 455,290.98 is: 628,318.07
Step by Step Solution
- Step 1: Write the proportion equation
794,757.12 : 1,096,793.66 = 455,290.98 : x - Step 2: Convert to fraction form
794,757.12/1,096,793.66 = 455,290.98/x - Step 3: Cross multiply
794,757.12x = 1,096,793.66 × 455,290.98 - Step 4: Simplify right side
794,757.12x = 499,360,257,344.44 - Step 5: Solve for x
x = 499,360,257,344.44/794,757.12 - Step 6: Final answer
x = 628,318.07
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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.