Finding the Fourth Proportional to 741,397.93, 1,112,228.07 and 279,765.97
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Solution
The fourth proportional to 741,397.93, 1,112,228.07 and 279,765.97 is: 419,698.45
Step by Step Solution
- Step 1: Write the proportion equation
741,397.93 : 1,112,228.07 = 279,765.97 : x - Step 2: Convert to fraction form
741,397.93/1,112,228.07 = 279,765.97/x - Step 3: Cross multiply
741,397.93x = 1,112,228.07 × 279,765.97 - Step 4: Simplify right side
741,397.93x = 311,163,564,864.78 - Step 5: Solve for x
x = 311,163,564,864.78/741,397.93 - Step 6: Final answer
x = 419,698.45
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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.