Finding the Fourth Proportional to 850,430.80, 1,275,646.20 and 495,845.20
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Solution
The fourth proportional to 850,430.80, 1,275,646.20 and 495,845.20 is: 743,767.80
Step by Step Solution
- Step 1: Write the proportion equation
850,430.80 : 1,275,646.20 = 495,845.20 : x - Step 2: Convert to fraction form
850,430.80/1,275,646.20 = 495,845.20/x - Step 3: Cross multiply
850,430.80x = 1,275,646.20 × 495,845.20 - Step 4: Simplify right side
850,430.80x = 632,523,045,168.24 - Step 5: Solve for x
x = 632,523,045,168.24/850,430.80 - Step 6: Final answer
x = 743,767.80
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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.