Finding the Fourth Proportional to 784,220.20, 1,177,205.10 and 732,825.70
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Solution
The fourth proportional to 784,220.20, 1,177,205.10 and 732,825.70 is: 1,100,056.02
Step by Step Solution
- Step 1: Write the proportion equation
784,220.20 : 1,177,205.10 = 732,825.70 : x - Step 2: Convert to fraction form
784,220.20/1,177,205.10 = 732,825.70/x - Step 3: Cross multiply
784,220.20x = 1,177,205.10 × 732,825.70 - Step 4: Simplify right side
784,220.20x = 862,686,151,451.07 - Step 5: Solve for x
x = 862,686,151,451.07/784,220.20 - Step 6: Final answer
x = 1,100,056.02
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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.