Finding the Fourth Proportional to 1,172,305.96, 1,758,212.82 and 330,660.88
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Solution
The fourth proportional to 1,172,305.96, 1,758,212.82 and 330,660.88 is: 495,921.90
Step by Step Solution
- Step 1: Write the proportion equation
1,172,305.96 : 1,758,212.82 = 330,660.88 : x - Step 2: Convert to fraction form
1,172,305.96/1,758,212.82 = 330,660.88/x - Step 3: Cross multiply
1,172,305.96x = 1,758,212.82 × 330,660.88 - Step 4: Simplify right side
1,172,305.96x = 581,372,198,288.48 - Step 5: Solve for x
x = 581,372,198,288.48/1,172,305.96 - Step 6: Final answer
x = 495,921.90
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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.