Finding the Fourth Proportional to 617,124.28, 925,353.57 and 279,980.99
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Solution
The fourth proportional to 617,124.28, 925,353.57 and 279,980.99 is: 419,820.48
Step by Step Solution
- Step 1: Write the proportion equation
617,124.28 : 925,353.57 = 279,980.99 : x - Step 2: Convert to fraction form
617,124.28/925,353.57 = 279,980.99/x - Step 3: Cross multiply
617,124.28x = 925,353.57 × 279,980.99 - Step 4: Simplify right side
617,124.28x = 259,081,410,850.81 - Step 5: Solve for x
x = 259,081,410,850.81/617,124.28 - Step 6: Final answer
x = 419,820.48
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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.