Finding the Fourth Proportional to 1,023,680.70, 1,535,745.69 and 313,762.14
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Solution
The fourth proportional to 1,023,680.70, 1,535,745.69 and 313,762.14 is: 470,712.06
Step by Step Solution
- Step 1: Write the proportion equation
1,023,680.70 : 1,535,745.69 = 313,762.14 : x - Step 2: Convert to fraction form
1,023,680.70/1,535,745.69 = 313,762.14/x - Step 3: Cross multiply
1,023,680.70x = 1,535,745.69 × 313,762.14 - Step 4: Simplify right side
1,023,680.70x = 481,858,854,190.18 - Step 5: Solve for x
x = 481,858,854,190.18/1,023,680.70 - Step 6: Final answer
x = 470,712.06
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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.