Finding the Fourth Proportional to 753,245.47, 1,129,942.62 and 247,601.35
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Solution
The fourth proportional to 753,245.47, 1,129,942.62 and 247,601.35 is: 371,426.48
Step by Step Solution
- Step 1: Write the proportion equation
753,245.47 : 1,129,942.62 = 247,601.35 : x - Step 2: Convert to fraction form
753,245.47/1,129,942.62 = 247,601.35/x - Step 3: Cross multiply
753,245.47x = 1,129,942.62 × 247,601.35 - Step 4: Simplify right side
753,245.47x = 279,775,315,309.68 - Step 5: Solve for x
x = 279,775,315,309.68/753,245.47 - Step 6: Final answer
x = 371,426.48
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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.