Finding the Fourth Proportional to 409,183.20, 613,774.80 and 373,753.80
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Solution
The fourth proportional to 409,183.20, 613,774.80 and 373,753.80 is: 560,630.70
Step by Step Solution
- Step 1: Write the proportion equation
409,183.20 : 613,774.80 = 373,753.80 : x - Step 2: Convert to fraction form
409,183.20/613,774.80 = 373,753.80/x - Step 3: Cross multiply
409,183.20x = 613,774.80 × 373,753.80 - Step 4: Simplify right side
409,183.20x = 229,400,663,844.24 - Step 5: Solve for x
x = 229,400,663,844.24/409,183.20 - Step 6: Final answer
x = 560,630.70
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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.