Finding the Fourth Proportional to 576,930.99, 796,211.28 and 318,830.64
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Solution
The fourth proportional to 576,930.99, 796,211.28 and 318,830.64 is: 440,011.99
Step by Step Solution
- Step 1: Write the proportion equation
576,930.99 : 796,211.28 = 318,830.64 : x - Step 2: Convert to fraction form
576,930.99/796,211.28 = 318,830.64/x - Step 3: Cross multiply
576,930.99x = 796,211.28 × 318,830.64 - Step 4: Simplify right side
576,930.99x = 253,856,551,977.62 - Step 5: Solve for x
x = 253,856,551,977.62/576,930.99 - Step 6: Final answer
x = 440,011.99
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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.