Finding the Fourth Proportional to 792,748.35, 1,189,080.06 and 280,377.99
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Solution
The fourth proportional to 792,748.35, 1,189,080.06 and 280,377.99 is: 420,551.96
Step by Step Solution
- Step 1: Write the proportion equation
792,748.35 : 1,189,080.06 = 280,377.99 : x - Step 2: Convert to fraction form
792,748.35/1,189,080.06 = 280,377.99/x - Step 3: Cross multiply
792,748.35x = 1,189,080.06 × 280,377.99 - Step 4: Simplify right side
792,748.35x = 333,391,871,226.48 - Step 5: Solve for x
x = 333,391,871,226.48/792,748.35 - Step 6: Final answer
x = 420,551.96
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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.