Finding the Fourth Proportional to 783,679.36, 1,175,629.74 and 251,075.80
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Solution
The fourth proportional to 783,679.36, 1,175,629.74 and 251,075.80 is: 376,649.17
Step by Step Solution
- Step 1: Write the proportion equation
783,679.36 : 1,175,629.74 = 251,075.80 : x - Step 2: Convert to fraction form
783,679.36/1,175,629.74 = 251,075.80/x - Step 3: Cross multiply
783,679.36x = 1,175,629.74 × 251,075.80 - Step 4: Simplify right side
783,679.36x = 295,172,177,474.29 - Step 5: Solve for x
x = 295,172,177,474.29/783,679.36 - Step 6: Final answer
x = 376,649.17
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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.