Finding the Fourth Proportional to 874,472.79, 1,311,756.12 and 275,480.82
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Solution
The fourth proportional to 874,472.79, 1,311,756.12 and 275,480.82 is: 413,236.02
Step by Step Solution
- Step 1: Write the proportion equation
874,472.79 : 1,311,756.12 = 275,480.82 : x - Step 2: Convert to fraction form
874,472.79/1,311,756.12 = 275,480.82/x - Step 3: Cross multiply
874,472.79x = 1,311,756.12 × 275,480.82 - Step 4: Simplify right side
874,472.79x = 361,363,651,577.62 - Step 5: Solve for x
x = 361,363,651,577.62/874,472.79 - Step 6: Final answer
x = 413,236.02
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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.