Finding the Fourth Proportional to 706,107.20, 974,439.36 and 383,817.92
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Solution
The fourth proportional to 706,107.20, 974,439.36 and 383,817.92 is: 529,674.94
Step by Step Solution
- Step 1: Write the proportion equation
706,107.20 : 974,439.36 = 383,817.92 : x - Step 2: Convert to fraction form
706,107.20/974,439.36 = 383,817.92/x - Step 3: Cross multiply
706,107.20x = 974,439.36 × 383,817.92 - Step 4: Simplify right side
706,107.20x = 374,007,288,321.33 - Step 5: Solve for x
x = 374,007,288,321.33/706,107.20 - Step 6: Final answer
x = 529,674.94
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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.