Finding the Fourth Proportional to 620,905.17, 930,515.49 and 283,527.57
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Solution
The fourth proportional to 620,905.17, 930,515.49 and 283,527.57 is: 424,906.75
Step by Step Solution
- Step 1: Write the proportion equation
620,905.17 : 930,515.49 = 283,527.57 : x - Step 2: Convert to fraction form
620,905.17/930,515.49 = 283,527.57/x - Step 3: Cross multiply
620,905.17x = 930,515.49 × 283,527.57 - Step 4: Simplify right side
620,905.17x = 263,826,795,727.06 - Step 5: Solve for x
x = 263,826,795,727.06/620,905.17 - Step 6: Final answer
x = 424,906.75
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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.