Finding the Fourth Proportional to 656,609.70, 984,914.55 and 446,657.70
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Solution
The fourth proportional to 656,609.70, 984,914.55 and 446,657.70 is: 669,986.55
Step by Step Solution
- Step 1: Write the proportion equation
656,609.70 : 984,914.55 = 446,657.70 : x - Step 2: Convert to fraction form
656,609.70/984,914.55 = 446,657.70/x - Step 3: Cross multiply
656,609.70x = 984,914.55 × 446,657.70 - Step 4: Simplify right side
656,609.70x = 439,919,667,599.54 - Step 5: Solve for x
x = 439,919,667,599.54/656,609.70 - Step 6: Final answer
x = 669,986.55
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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.