Finding the Fourth Proportional to 1,216,812.56, 1,825,079.39 and 318,341
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Solution
The fourth proportional to 1,216,812.56, 1,825,079.39 and 318,341 is: 477,475.02
Step by Step Solution
- Step 1: Write the proportion equation
1,216,812.56 : 1,825,079.39 = 318,341 : x - Step 2: Convert to fraction form
1,216,812.56/1,825,079.39 = 318,341/x - Step 3: Cross multiply
1,216,812.56x = 1,825,079.39 × 318,341 - Step 4: Simplify right side
1,216,812.56x = 580,997,598,091.99 - Step 5: Solve for x
x = 580,997,598,091.99/1,216,812.56 - Step 6: Final answer
x = 477,475.02
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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.