Finding the Fourth Proportional to 1,453,645.12, 2,180,295.94 and 388,769.70
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Solution
The fourth proportional to 1,453,645.12, 2,180,295.94 and 388,769.70 is: 583,108.62
Step by Step Solution
- Step 1: Write the proportion equation
1,453,645.12 : 2,180,295.94 = 388,769.70 : x - Step 2: Convert to fraction form
1,453,645.12/2,180,295.94 = 388,769.70/x - Step 3: Cross multiply
1,453,645.12x = 2,180,295.94 × 388,769.70 - Step 4: Simplify right side
1,453,645.12x = 847,632,998,505.02 - Step 5: Solve for x
x = 847,632,998,505.02/1,453,645.12 - Step 6: Final answer
x = 583,108.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.