Finding the Fourth Proportional to 577,511.24, 796,942.55 and 319,371.44
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Solution
The fourth proportional to 577,511.24, 796,942.55 and 319,371.44 is: 440,719.89
Step by Step Solution
- Step 1: Write the proportion equation
577,511.24 : 796,942.55 = 319,371.44 : x - Step 2: Convert to fraction form
577,511.24/796,942.55 = 319,371.44/x - Step 3: Cross multiply
577,511.24x = 796,942.55 × 319,371.44 - Step 4: Simplify right side
577,511.24x = 254,520,686,604.49 - Step 5: Solve for x
x = 254,520,686,604.49/577,511.24 - Step 6: Final answer
x = 440,719.89
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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.