Finding the Fourth Proportional to 751,698.15, 1,127,713.07 and 219,260.85
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Solution
The fourth proportional to 751,698.15, 1,127,713.07 and 219,260.85 is: 328,939.65
Step by Step Solution
- Step 1: Write the proportion equation
751,698.15 : 1,127,713.07 = 219,260.85 : x - Step 2: Convert to fraction form
751,698.15/1,127,713.07 = 219,260.85/x - Step 3: Cross multiply
751,698.15x = 1,127,713.07 × 219,260.85 - Step 4: Simplify right side
751,698.15x = 247,263,326,284.31 - Step 5: Solve for x
x = 247,263,326,284.31/751,698.15 - Step 6: Final answer
x = 328,939.65
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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.