Finding the Fourth Proportional to 957,287.36, 1,321,056.76 and 521,704.81
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Solution
The fourth proportional to 957,287.36, 1,321,056.76 and 521,704.81 is: 719,952.75
Step by Step Solution
- Step 1: Write the proportion equation
957,287.36 : 1,321,056.76 = 521,704.81 : x - Step 2: Convert to fraction form
957,287.36/1,321,056.76 = 521,704.81/x - Step 3: Cross multiply
957,287.36x = 1,321,056.76 × 521,704.81 - Step 4: Simplify right side
957,287.36x = 689,201,659,380.23 - Step 5: Solve for x
x = 689,201,659,380.23/957,287.36 - Step 6: Final answer
x = 719,952.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.