Finding the Fourth Proportional to 980,027.94, 1,352,346.12 and 550,224.12
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Solution
The fourth proportional to 980,027.94, 1,352,346.12 and 550,224.12 is: 759,257.39
Step by Step Solution
- Step 1: Write the proportion equation
980,027.94 : 1,352,346.12 = 550,224.12 : x - Step 2: Convert to fraction form
980,027.94/1,352,346.12 = 550,224.12/x - Step 3: Cross multiply
980,027.94x = 1,352,346.12 × 550,224.12 - Step 4: Simplify right side
980,027.94x = 744,093,453,812.41 - Step 5: Solve for x
x = 744,093,453,812.41/980,027.94 - Step 6: Final answer
x = 759,257.39
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1.5x scale
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.