Finding the Fourth Proportional to 939,732.38, 1,409,282.64 and 340,568.08
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Solution
The fourth proportional to 939,732.38, 1,409,282.64 and 340,568.08 is: 510,737.62
Step by Step Solution
- Step 1: Write the proportion equation
939,732.38 : 1,409,282.64 = 340,568.08 : x - Step 2: Convert to fraction form
939,732.38/1,409,282.64 = 340,568.08/x - Step 3: Cross multiply
939,732.38x = 1,409,282.64 × 340,568.08 - Step 4: Simplify right side
939,732.38x = 479,956,682,882.13 - Step 5: Solve for x
x = 479,956,682,882.13/939,732.38 - Step 6: Final answer
x = 510,737.62
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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.