Finding the Fourth Proportional to 1,327,467.36, 1,991,208.24 and 330,195.36
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Solution
The fourth proportional to 1,327,467.36, 1,991,208.24 and 330,195.36 is: 495,294.83
Step by Step Solution
- Step 1: Write the proportion equation
1,327,467.36 : 1,991,208.24 = 330,195.36 : x - Step 2: Convert to fraction form
1,327,467.36/1,991,208.24 = 330,195.36/x - Step 3: Cross multiply
1,327,467.36x = 1,991,208.24 × 330,195.36 - Step 4: Simplify right side
1,327,467.36x = 657,487,721,641.77 - Step 5: Solve for x
x = 657,487,721,641.77/1,327,467.36 - Step 6: Final answer
x = 495,294.83
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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.