Finding the Fourth Proportional to 556,630.91, 768,152.13 and 301,982.09
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Solution
The fourth proportional to 556,630.91, 768,152.13 and 301,982.09 is: 416,736.08
Step by Step Solution
- Step 1: Write the proportion equation
556,630.91 : 768,152.13 = 301,982.09 : x - Step 2: Convert to fraction form
556,630.91/768,152.13 = 301,982.09/x - Step 3: Cross multiply
556,630.91x = 768,152.13 × 301,982.09 - Step 4: Simplify right side
556,630.91x = 231,968,181,814.59 - Step 5: Solve for x
x = 231,968,181,814.59/556,630.91 - Step 6: Final answer
x = 416,736.08
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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.