Finding the Fourth Proportional to 980,251.24, 1,467,809.82 and 642,228.52
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Solution
The fourth proportional to 980,251.24, 1,467,809.82 and 642,228.52 is: 961,660.94
Step by Step Solution
- Step 1: Write the proportion equation
980,251.24 : 1,467,809.82 = 642,228.52 : x - Step 2: Convert to fraction form
980,251.24/1,467,809.82 = 642,228.52/x - Step 3: Cross multiply
980,251.24x = 1,467,809.82 × 642,228.52 - Step 4: Simplify right side
980,251.24x = 942,669,328,340.07 - Step 5: Solve for x
x = 942,669,328,340.07/980,251.24 - Step 6: Final answer
x = 961,660.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.