Finding the Fourth Proportional to 871,287.74, 1,306,424.19 and 338,185.99
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Solution
The fourth proportional to 871,287.74, 1,306,424.19 and 338,185.99 is: 507,082.03
Step by Step Solution
- Step 1: Write the proportion equation
871,287.74 : 1,306,424.19 = 338,185.99 : x - Step 2: Convert to fraction form
871,287.74/1,306,424.19 = 338,185.99/x - Step 3: Cross multiply
871,287.74x = 1,306,424.19 × 338,185.99 - Step 4: Simplify right side
871,287.74x = 441,814,353,607.69 - Step 5: Solve for x
x = 441,814,353,607.69/871,287.74 - Step 6: Final answer
x = 507,082.03
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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.