Finding the Fourth Proportional to 682,778.20, 1,024,167.30 and 470,201.80
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Solution
The fourth proportional to 682,778.20, 1,024,167.30 and 470,201.80 is: 705,302.70
Step by Step Solution
- Step 1: Write the proportion equation
682,778.20 : 1,024,167.30 = 470,201.80 : x - Step 2: Convert to fraction form
682,778.20/1,024,167.30 = 470,201.80/x - Step 3: Cross multiply
682,778.20x = 1,024,167.30 × 470,201.80 - Step 4: Simplify right side
682,778.20x = 481,565,307,961.14 - Step 5: Solve for x
x = 481,565,307,961.14/682,778.20 - Step 6: Final answer
x = 705,302.70
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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.