Finding the Fourth Proportional to 838,228.11, 1,257,529.63 and 305,749.14
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Solution
The fourth proportional to 838,228.11, 1,257,529.63 and 305,749.14 is: 458,692.09
Step by Step Solution
- Step 1: Write the proportion equation
838,228.11 : 1,257,529.63 = 305,749.14 : x - Step 2: Convert to fraction form
838,228.11/1,257,529.63 = 305,749.14/x - Step 3: Cross multiply
838,228.11x = 1,257,529.63 × 305,749.14 - Step 4: Simplify right side
838,228.11x = 384,488,598,470.38 - Step 5: Solve for x
x = 384,488,598,470.38/838,228.11 - Step 6: Final answer
x = 458,692.09
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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.