Finding the Fourth Proportional to 901,660.76, 1,244,282.99 and 488,195.53
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Solution
The fourth proportional to 901,660.76, 1,244,282.99 and 488,195.53 is: 673,705.03
Step by Step Solution
- Step 1: Write the proportion equation
901,660.76 : 1,244,282.99 = 488,195.53 : x - Step 2: Convert to fraction form
901,660.76/1,244,282.99 = 488,195.53/x - Step 3: Cross multiply
901,660.76x = 1,244,282.99 × 488,195.53 - Step 4: Simplify right side
901,660.76x = 607,453,395,840.05 - Step 5: Solve for x
x = 607,453,395,840.05/901,660.76 - Step 6: Final answer
x = 673,705.03
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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.