Finding the Fourth Proportional to 634,769.99, 875,982.60 and 362,843.78
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Solution
The fourth proportional to 634,769.99, 875,982.60 and 362,843.78 is: 500,724.42
Step by Step Solution
- Step 1: Write the proportion equation
634,769.99 : 875,982.60 = 362,843.78 : x - Step 2: Convert to fraction form
634,769.99/875,982.60 = 362,843.78/x - Step 3: Cross multiply
634,769.99x = 875,982.60 × 362,843.78 - Step 4: Simplify right side
634,769.99x = 317,844,837,798.23 - Step 5: Solve for x
x = 317,844,837,798.23/634,769.99 - Step 6: Final answer
x = 500,724.42
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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.