Finding the Fourth Proportional to 814,481.68, 1,124,119.56 and 452,021.96
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Solution
The fourth proportional to 814,481.68, 1,124,119.56 and 452,021.96 is: 623,865.14
Step by Step Solution
- Step 1: Write the proportion equation
814,481.68 : 1,124,119.56 = 452,021.96 : x - Step 2: Convert to fraction form
814,481.68/1,124,119.56 = 452,021.96/x - Step 3: Cross multiply
814,481.68x = 1,124,119.56 × 452,021.96 - Step 4: Simplify right side
814,481.68x = 508,126,726,785.54 - Step 5: Solve for x
x = 508,126,726,785.54/814,481.68 - Step 6: Final answer
x = 623,865.14
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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.