Finding the Fourth Proportional to 686,817.80, 1,030,226.70 and 583,137.80
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Solution
The fourth proportional to 686,817.80, 1,030,226.70 and 583,137.80 is: 874,706.70
Step by Step Solution
- Step 1: Write the proportion equation
686,817.80 : 1,030,226.70 = 583,137.80 : x - Step 2: Convert to fraction form
686,817.80/1,030,226.70 = 583,137.80/x - Step 3: Cross multiply
686,817.80x = 1,030,226.70 × 583,137.80 - Step 4: Simplify right side
686,817.80x = 600,764,131,339.26 - Step 5: Solve for x
x = 600,764,131,339.26/686,817.80 - Step 6: Final answer
x = 874,706.70
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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.