Finding the Fourth Proportional to 1,396,315.40, 2,094,431.25 and 385,499.03
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Solution
The fourth proportional to 1,396,315.40, 2,094,431.25 and 385,499.03 is: 578,236.99
Step by Step Solution
- Step 1: Write the proportion equation
1,396,315.40 : 2,094,431.25 = 385,499.03 : x - Step 2: Convert to fraction form
1,396,315.40/2,094,431.25 = 385,499.03/x - Step 3: Cross multiply
1,396,315.40x = 2,094,431.25 × 385,499.03 - Step 4: Simplify right side
1,396,315.40x = 807,401,204,804.53 - Step 5: Solve for x
x = 807,401,204,804.53/1,396,315.40 - Step 6: Final answer
x = 578,236.99
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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.