Finding the Fourth Proportional to 731,519.13, 1,009,497.90 and 409,234.62
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Solution
The fourth proportional to 731,519.13, 1,009,497.90 and 409,234.62 is: 564,744.62
Step by Step Solution
- Step 1: Write the proportion equation
731,519.13 : 1,009,497.90 = 409,234.62 : x - Step 2: Convert to fraction form
731,519.13/1,009,497.90 = 409,234.62/x - Step 3: Cross multiply
731,519.13x = 1,009,497.90 × 409,234.62 - Step 4: Simplify right side
731,519.13x = 413,121,489,497.30 - Step 5: Solve for x
x = 413,121,489,497.30/731,519.13 - Step 6: Final answer
x = 564,744.62
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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.