Finding the Fourth Proportional to 599,720.49, 899,027.16 and 299,940.21
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Solution
The fourth proportional to 599,720.49, 899,027.16 and 299,940.21 is: 449,633.45
Step by Step Solution
- Step 1: Write the proportion equation
599,720.49 : 899,027.16 = 299,940.21 : x - Step 2: Convert to fraction form
599,720.49/899,027.16 = 299,940.21/x - Step 3: Cross multiply
599,720.49x = 899,027.16 × 299,940.21 - Step 4: Simplify right side
599,720.49x = 269,654,395,166.10 - Step 5: Solve for x
x = 269,654,395,166.10/599,720.49 - Step 6: Final answer
x = 449,633.45
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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.