Finding the Fourth Proportional to 850,692.62, 1,173,982.42 and 488,182.80
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Solution
The fourth proportional to 850,692.62, 1,173,982.42 and 488,182.80 is: 673,707.53
Step by Step Solution
- Step 1: Write the proportion equation
850,692.62 : 1,173,982.42 = 488,182.80 : x - Step 2: Convert to fraction form
850,692.62/1,173,982.42 = 488,182.80/x - Step 3: Cross multiply
850,692.62x = 1,173,982.42 × 488,182.80 - Step 4: Simplify right side
850,692.62x = 573,118,024,946.38 - Step 5: Solve for x
x = 573,118,024,946.38/850,692.62 - Step 6: Final answer
x = 673,707.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.