Finding the Fourth Proportional to 753,293.39, 1,129,815.24 and 247,860.68
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Solution
The fourth proportional to 753,293.39, 1,129,815.24 and 247,860.68 is: 371,749.94
Step by Step Solution
- Step 1: Write the proportion equation
753,293.39 : 1,129,815.24 = 247,860.68 : x - Step 2: Convert to fraction form
753,293.39/1,129,815.24 = 247,860.68/x - Step 3: Cross multiply
753,293.39x = 1,129,815.24 × 247,860.68 - Step 4: Simplify right side
753,293.39x = 280,036,767,082.21 - Step 5: Solve for x
x = 280,036,767,082.21/753,293.39 - Step 6: Final answer
x = 371,749.94
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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.