Finding the Fourth Proportional to 849,305.08, 1,172,005.84 and 462,122.12
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Solution
The fourth proportional to 849,305.08, 1,172,005.84 and 462,122.12 is: 637,709.39
Step by Step Solution
- Step 1: Write the proportion equation
849,305.08 : 1,172,005.84 = 462,122.12 : x - Step 2: Convert to fraction form
849,305.08/1,172,005.84 = 462,122.12/x - Step 3: Cross multiply
849,305.08x = 1,172,005.84 × 462,122.12 - Step 4: Simplify right side
849,305.08x = 541,609,823,433.18 - Step 5: Solve for x
x = 541,609,823,433.18/849,305.08 - Step 6: Final answer
x = 637,709.39
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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.