Finding the Fourth Proportional to 711,102.44, 1,065,630.54 and 306,183.49
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Solution
The fourth proportional to 711,102.44, 1,065,630.54 and 306,183.49 is: 458,834.70
Step by Step Solution
- Step 1: Write the proportion equation
711,102.44 : 1,065,630.54 = 306,183.49 : x - Step 2: Convert to fraction form
711,102.44/1,065,630.54 = 306,183.49/x - Step 3: Cross multiply
711,102.44x = 1,065,630.54 × 306,183.49 - Step 4: Simplify right side
711,102.44x = 326,278,475,123.71 - Step 5: Solve for x
x = 326,278,475,123.71/711,102.44 - Step 6: Final answer
x = 458,834.70
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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.