Finding the Fourth Proportional to 730,468.34, 1,008,026.97 and 408,181.09
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Solution
The fourth proportional to 730,468.34, 1,008,026.97 and 408,181.09 is: 563,279.09
Step by Step Solution
- Step 1: Write the proportion equation
730,468.34 : 1,008,026.97 = 408,181.09 : x - Step 2: Convert to fraction form
730,468.34/1,008,026.97 = 408,181.09/x - Step 3: Cross multiply
730,468.34x = 1,008,026.97 × 408,181.09 - Step 4: Simplify right side
730,468.34x = 411,457,544,843.93 - Step 5: Solve for x
x = 411,457,544,843.93/730,468.34 - Step 6: Final answer
x = 563,279.09
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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.