Finding the Fourth Proportional to 784,221.20, 1,177,206.60 and 732,826.70
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Solution
The fourth proportional to 784,221.20, 1,177,206.60 and 732,826.70 is: 1,100,057.52
Step by Step Solution
- Step 1: Write the proportion equation
784,221.20 : 1,177,206.60 = 732,826.70 : x - Step 2: Convert to fraction form
784,221.20/1,177,206.60 = 732,826.70/x - Step 3: Cross multiply
784,221.20x = 1,177,206.60 × 732,826.70 - Step 4: Simplify right side
784,221.20x = 862,688,427,896.22 - Step 5: Solve for x
x = 862,688,427,896.22/784,221.20 - Step 6: Final answer
x = 1,100,057.52
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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.