Finding the Fourth Proportional to 997,768.75, 1,496,666.09 and 332,920.75
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Solution
The fourth proportional to 997,768.75, 1,496,666.09 and 332,920.75 is: 499,385.45
Step by Step Solution
- Step 1: Write the proportion equation
997,768.75 : 1,496,666.09 = 332,920.75 : x - Step 2: Convert to fraction form
997,768.75/1,496,666.09 = 332,920.75/x - Step 3: Cross multiply
997,768.75x = 1,496,666.09 × 332,920.75 - Step 4: Simplify right side
997,768.75x = 498,271,195,517.76 - Step 5: Solve for x
x = 498,271,195,517.76/997,768.75 - Step 6: Final answer
x = 499,385.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.