Finding the Fourth Proportional to 717,551.46, 1,075,716.05 and 317,974.41
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Solution
The fourth proportional to 717,551.46, 1,075,716.05 and 317,974.41 is: 476,690.79
Step by Step Solution
- Step 1: Write the proportion equation
717,551.46 : 1,075,716.05 = 317,974.41 : x - Step 2: Convert to fraction form
717,551.46/1,075,716.05 = 317,974.41/x - Step 3: Cross multiply
717,551.46x = 1,075,716.05 × 317,974.41 - Step 4: Simplify right side
717,551.46x = 342,050,174,736.41 - Step 5: Solve for x
x = 342,050,174,736.41/717,551.46 - Step 6: Final answer
x = 476,690.79
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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.