Finding the Fourth Proportional to 741,736.88, 1,112,652.28 and 286,545.20
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Solution
The fourth proportional to 741,736.88, 1,112,652.28 and 286,545.20 is: 429,835.94
Step by Step Solution
- Step 1: Write the proportion equation
741,736.88 : 1,112,652.28 = 286,545.20 : x - Step 2: Convert to fraction form
741,736.88/1,112,652.28 = 286,545.20/x - Step 3: Cross multiply
741,736.88x = 1,112,652.28 × 286,545.20 - Step 4: Simplify right side
741,736.88x = 318,825,170,103.06 - Step 5: Solve for x
x = 318,825,170,103.06/741,736.88 - Step 6: Final answer
x = 429,835.94
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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.