Finding the Fourth Proportional to 731,608.84, 1,009,659.36 and 409,299.58
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Solution
The fourth proportional to 731,608.84, 1,009,659.36 and 409,299.58 is: 564,855.33
Step by Step Solution
- Step 1: Write the proportion equation
731,608.84 : 1,009,659.36 = 409,299.58 : x - Step 2: Convert to fraction form
731,608.84/1,009,659.36 = 409,299.58/x - Step 3: Cross multiply
731,608.84x = 1,009,659.36 × 409,299.58 - Step 4: Simplify right side
731,608.84x = 413,253,151,991.07 - Step 5: Solve for x
x = 413,253,151,991.07/731,608.84 - Step 6: Final answer
x = 564,855.33
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1.5x scale
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.