Finding the Fourth Proportional to 576,950.13, 796,189.21 and 318,819.87
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Solution
The fourth proportional to 576,950.13, 796,189.21 and 318,819.87 is: 439,970.33
Step by Step Solution
- Step 1: Write the proportion equation
576,950.13 : 796,189.21 = 318,819.87 : x - Step 2: Convert to fraction form
576,950.13/796,189.21 = 318,819.87/x - Step 3: Cross multiply
576,950.13x = 796,189.21 × 318,819.87 - Step 4: Simplify right side
576,950.13x = 253,840,940,427.60 - Step 5: Solve for x
x = 253,840,940,427.60/576,950.13 - Step 6: Final answer
x = 439,970.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.