Finding the Fourth Proportional to 863,809.20, 1,192,048.56 and 476,628.12
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Solution
The fourth proportional to 863,809.20, 1,192,048.56 and 476,628.12 is: 657,742.32
Step by Step Solution
- Step 1: Write the proportion equation
863,809.20 : 1,192,048.56 = 476,628.12 : x - Step 2: Convert to fraction form
863,809.20/1,192,048.56 = 476,628.12/x - Step 3: Cross multiply
863,809.20x = 1,192,048.56 × 476,628.12 - Step 4: Simplify right side
863,809.20x = 568,163,864,101.51 - Step 5: Solve for x
x = 568,163,864,101.51/863,809.20 - Step 6: Final answer
x = 657,742.32
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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.