Finding the Fourth Proportional to 864,793.62, 1,193,390.33 and 482,812.20
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Solution
The fourth proportional to 864,793.62, 1,193,390.33 and 482,812.20 is: 666,266.95
Step by Step Solution
- Step 1: Write the proportion equation
864,793.62 : 1,193,390.33 = 482,812.20 : x - Step 2: Convert to fraction form
864,793.62/1,193,390.33 = 482,812.20/x - Step 3: Cross multiply
864,793.62x = 1,193,390.33 × 482,812.20 - Step 4: Simplify right side
864,793.62x = 576,183,408,271.97 - Step 5: Solve for x
x = 576,183,408,271.97/864,793.62 - Step 6: Final answer
x = 666,266.95
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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.