Finding the Fourth Proportional to 731,610.84, 1,009,662.12 and 409,301.58
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Solution
The fourth proportional to 731,610.84, 1,009,662.12 and 409,301.58 is: 564,858.09
Step by Step Solution
- Step 1: Write the proportion equation
731,610.84 : 1,009,662.12 = 409,301.58 : x - Step 2: Convert to fraction form
731,610.84/1,009,662.12 = 409,301.58/x - Step 3: Cross multiply
731,610.84x = 1,009,662.12 × 409,301.58 - Step 4: Simplify right side
731,610.84x = 413,256,300,982.15 - Step 5: Solve for x
x = 413,256,300,982.15/731,610.84 - Step 6: Final answer
x = 564,858.09
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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.