Finding the Fourth Proportional to 896,135.20, 1,344,202.80 and 760,832.80
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Solution
The fourth proportional to 896,135.20, 1,344,202.80 and 760,832.80 is: 1,141,249.20
Step by Step Solution
- Step 1: Write the proportion equation
896,135.20 : 1,344,202.80 = 760,832.80 : x - Step 2: Convert to fraction form
896,135.20/1,344,202.80 = 760,832.80/x - Step 3: Cross multiply
896,135.20x = 1,344,202.80 × 760,832.80 - Step 4: Simplify right side
896,135.20x = 1,022,713,580,091.84 - Step 5: Solve for x
x = 1,022,713,580,091.84/896,135.20 - Step 6: Final answer
x = 1,141,249.20
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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.