Finding the Fourth Proportional to 607,682.80, 911,524.20 and 495,489.70
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Solution
The fourth proportional to 607,682.80, 911,524.20 and 495,489.70 is: 743,234.55
Step by Step Solution
- Step 1: Write the proportion equation
607,682.80 : 911,524.20 = 495,489.70 : x - Step 2: Convert to fraction form
607,682.80/911,524.20 = 495,489.70/x - Step 3: Cross multiply
607,682.80x = 911,524.20 × 495,489.70 - Step 4: Simplify right side
607,682.80x = 451,650,852,400.74 - Step 5: Solve for x
x = 451,650,852,400.74/607,682.80 - Step 6: Final answer
x = 743,234.55
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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.