Finding the Fourth Proportional to 646,824.20, 970,236.30 and 617,793.80
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Solution
The fourth proportional to 646,824.20, 970,236.30 and 617,793.80 is: 926,690.70
Step by Step Solution
- Step 1: Write the proportion equation
646,824.20 : 970,236.30 = 617,793.80 : x - Step 2: Convert to fraction form
646,824.20/970,236.30 = 617,793.80/x - Step 3: Cross multiply
646,824.20x = 970,236.30 × 617,793.80 - Step 4: Simplify right side
646,824.20x = 599,405,970,674.94 - Step 5: Solve for x
x = 599,405,970,674.94/646,824.20 - Step 6: Final answer
x = 926,690.70
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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.