Finding the Fourth Proportional to 711,759.18, 982,198.39 and 425,437.14
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Solution
The fourth proportional to 711,759.18, 982,198.39 and 425,437.14 is: 587,085.75
Step by Step Solution
- Step 1: Write the proportion equation
711,759.18 : 982,198.39 = 425,437.14 : x - Step 2: Convert to fraction form
711,759.18/982,198.39 = 425,437.14/x - Step 3: Cross multiply
711,759.18x = 982,198.39 × 425,437.14 - Step 4: Simplify right side
711,759.18x = 417,863,673,954.21 - Step 5: Solve for x
x = 417,863,673,954.21/711,759.18 - Step 6: Final answer
x = 587,085.75
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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.