Finding the Fourth Proportional to 784,747.64, 1,177,232.13 and 252,090.09
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Solution
The fourth proportional to 784,747.64, 1,177,232.13 and 252,090.09 is: 378,170.69
Step by Step Solution
- Step 1: Write the proportion equation
784,747.64 : 1,177,232.13 = 252,090.09 : x - Step 2: Convert to fraction form
784,747.64/1,177,232.13 = 252,090.09/x - Step 3: Cross multiply
784,747.64x = 1,177,232.13 × 252,090.09 - Step 4: Simplify right side
784,747.64x = 296,768,553,602.59 - Step 5: Solve for x
x = 296,768,553,602.59/784,747.64 - Step 6: Final answer
x = 378,170.69
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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.