Finding the Fourth Proportional to 1,238,847.36, 1,858,267.43 and 340,289.96
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Solution
The fourth proportional to 1,238,847.36, 1,858,267.43 and 340,289.96 is: 510,433.94
Step by Step Solution
- Step 1: Write the proportion equation
1,238,847.36 : 1,858,267.43 = 340,289.96 : x - Step 2: Convert to fraction form
1,238,847.36/1,858,267.43 = 340,289.96/x - Step 3: Cross multiply
1,238,847.36x = 1,858,267.43 × 340,289.96 - Step 4: Simplify right side
1,238,847.36x = 632,349,738,431.22 - Step 5: Solve for x
x = 632,349,738,431.22/1,238,847.36 - Step 6: Final answer
x = 510,433.94
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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.