Finding the Fourth Proportional to 871,306.18, 1,307,471.24 and 365,828.28
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Solution
The fourth proportional to 871,306.18, 1,307,471.24 and 365,828.28 is: 548,957.38
Step by Step Solution
- Step 1: Write the proportion equation
871,306.18 : 1,307,471.24 = 365,828.28 : x - Step 2: Convert to fraction form
871,306.18/1,307,471.24 = 365,828.28/x - Step 3: Cross multiply
871,306.18x = 1,307,471.24 × 365,828.28 - Step 4: Simplify right side
871,306.18x = 478,309,956,186.96 - Step 5: Solve for x
x = 478,309,956,186.96/871,306.18 - Step 6: Final answer
x = 548,957.38
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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.