Finding the Fourth Proportional to 843,183.81, 1,163,564.66 and 480,724.41
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Solution
The fourth proportional to 843,183.81, 1,163,564.66 and 480,724.41 is: 663,383.15
Step by Step Solution
- Step 1: Write the proportion equation
843,183.81 : 1,163,564.66 = 480,724.41 : x - Step 2: Convert to fraction form
843,183.81/1,163,564.66 = 480,724.41/x - Step 3: Cross multiply
843,183.81x = 1,163,564.66 × 480,724.41 - Step 4: Simplify right side
843,183.81x = 559,353,934,675.35 - Step 5: Solve for x
x = 559,353,934,675.35/843,183.81 - Step 6: Final answer
x = 663,383.15
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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.