Finding the Fourth Proportional to 874,396.77, 1,311,642.14 and 275,404.82
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Solution
The fourth proportional to 874,396.77, 1,311,642.14 and 275,404.82 is: 413,122.02
Step by Step Solution
- Step 1: Write the proportion equation
874,396.77 : 1,311,642.14 = 275,404.82 : x - Step 2: Convert to fraction form
874,396.77/1,311,642.14 = 275,404.82/x - Step 3: Cross multiply
874,396.77x = 1,311,642.14 × 275,404.82 - Step 4: Simplify right side
874,396.77x = 361,232,559,535.88 - Step 5: Solve for x
x = 361,232,559,535.88/874,396.77 - Step 6: Final answer
x = 413,122.02
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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.