Finding the Fourth Proportional to 673,683.10, 1,009,647.14 and 273,856.84
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Solution
The fourth proportional to 673,683.10, 1,009,647.14 and 273,856.84 is: 410,428.55
Step by Step Solution
- Step 1: Write the proportion equation
673,683.10 : 1,009,647.14 = 273,856.84 : x - Step 2: Convert to fraction form
673,683.10/1,009,647.14 = 273,856.84/x - Step 3: Cross multiply
673,683.10x = 1,009,647.14 × 273,856.84 - Step 4: Simplify right side
673,683.10x = 276,498,775,275.44 - Step 5: Solve for x
x = 276,498,775,275.44/673,683.10 - Step 6: Final answer
x = 410,428.55
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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.