Finding the Fourth Proportional to 944,507.84, 1,416,969.12 and 279,711.68
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Solution
The fourth proportional to 944,507.84, 1,416,969.12 and 279,711.68 is: 419,628.93
Step by Step Solution
- Step 1: Write the proportion equation
944,507.84 : 1,416,969.12 = 279,711.68 : x - Step 2: Convert to fraction form
944,507.84/1,416,969.12 = 279,711.68/x - Step 3: Cross multiply
944,507.84x = 1,416,969.12 × 279,711.68 - Step 4: Simplify right side
944,507.84x = 396,342,813,063.32 - Step 5: Solve for x
x = 396,342,813,063.32/944,507.84 - Step 6: Final answer
x = 419,628.93
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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.