Finding the Fourth Proportional to 576,827.49, 796,037.99 and 318,721.07
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Solution
The fourth proportional to 576,827.49, 796,037.99 and 318,721.07 is: 439,843.94
Step by Step Solution
- Step 1: Write the proportion equation
576,827.49 : 796,037.99 = 318,721.07 : x - Step 2: Convert to fraction form
576,827.49/796,037.99 = 318,721.07/x - Step 3: Cross multiply
576,827.49x = 796,037.99 × 318,721.07 - Step 4: Simplify right side
576,827.49x = 253,714,074,359.65 - Step 5: Solve for x
x = 253,714,074,359.65/576,827.49 - Step 6: Final answer
x = 439,843.94
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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.