Finding the Fourth Proportional to 879,208.85, 1,318,798.97 and 280,161.92
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Solution
The fourth proportional to 879,208.85, 1,318,798.97 and 280,161.92 is: 420,238.32
Step by Step Solution
- Step 1: Write the proportion equation
879,208.85 : 1,318,798.97 = 280,161.92 : x - Step 2: Convert to fraction form
879,208.85/1,318,798.97 = 280,161.92/x - Step 3: Cross multiply
879,208.85x = 1,318,798.97 × 280,161.92 - Step 4: Simplify right side
879,208.85x = 369,477,250,128.41 - Step 5: Solve for x
x = 369,477,250,128.41/879,208.85 - Step 6: Final answer
x = 420,238.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.