Finding the Fourth Proportional to 850,432.80, 1,275,649.20 and 495,847.20
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Solution
The fourth proportional to 850,432.80, 1,275,649.20 and 495,847.20 is: 743,770.80
Step by Step Solution
- Step 1: Write the proportion equation
850,432.80 : 1,275,649.20 = 495,847.20 : x - Step 2: Convert to fraction form
850,432.80/1,275,649.20 = 495,847.20/x - Step 3: Cross multiply
850,432.80x = 1,275,649.20 × 495,847.20 - Step 4: Simplify right side
850,432.80x = 632,527,084,002.24 - Step 5: Solve for x
x = 632,527,084,002.24/850,432.80 - Step 6: Final answer
x = 743,770.80
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1.5x scale
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.