Finding the Fourth Proportional to 967,311.76, 1,450,965.48 and 257,339.92
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Solution
The fourth proportional to 967,311.76, 1,450,965.48 and 257,339.92 is: 386,009.31
Step by Step Solution
- Step 1: Write the proportion equation
967,311.76 : 1,450,965.48 = 257,339.92 : x - Step 2: Convert to fraction form
967,311.76/1,450,965.48 = 257,339.92/x - Step 3: Cross multiply
967,311.76x = 1,450,965.48 × 257,339.92 - Step 4: Simplify right side
967,311.76x = 373,391,340,545.96 - Step 5: Solve for x
x = 373,391,340,545.96/967,311.76 - Step 6: Final answer
x = 386,009.31
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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.