Finding the Fourth Proportional to 751,698.18, 1,127,713.14 and 219,260.88
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Solution
The fourth proportional to 751,698.18, 1,127,713.14 and 219,260.88 is: 328,939.70
Step by Step Solution
- Step 1: Write the proportion equation
751,698.18 : 1,127,713.14 = 219,260.88 : x - Step 2: Convert to fraction form
751,698.18/1,127,713.14 = 219,260.88/x - Step 3: Cross multiply
751,698.18x = 1,127,713.14 × 219,260.88 - Step 4: Simplify right side
751,698.18x = 247,263,375,463.96 - Step 5: Solve for x
x = 247,263,375,463.96/751,698.18 - Step 6: Final answer
x = 328,939.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.