Finding the Fourth Proportional to 847,643.24, 1,170,783.78 and 633,734.12
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Solution
The fourth proportional to 847,643.24, 1,170,783.78 and 633,734.12 is: 875,327.72
Step by Step Solution
- Step 1: Write the proportion equation
847,643.24 : 1,170,783.78 = 633,734.12 : x - Step 2: Convert to fraction form
847,643.24/1,170,783.78 = 633,734.12/x - Step 3: Cross multiply
847,643.24x = 1,170,783.78 × 633,734.12 - Step 4: Simplify right side
847,643.24x = 741,965,628,528.57 - Step 5: Solve for x
x = 741,965,628,528.57/847,643.24 - Step 6: Final answer
x = 875,327.72
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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.