Finding the Fourth Proportional to 811,655.00, 1,217,481.48 and 325,556.58
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Solution
The fourth proportional to 811,655.00, 1,217,481.48 and 325,556.58 is: 488,334.46
Step by Step Solution
- Step 1: Write the proportion equation
811,655.00 : 1,217,481.48 = 325,556.58 : x - Step 2: Convert to fraction form
811,655.00/1,217,481.48 = 325,556.58/x - Step 3: Cross multiply
811,655.00x = 1,217,481.48 × 325,556.58 - Step 4: Simplify right side
811,655.00x = 396,359,106,842.14 - Step 5: Solve for x
x = 396,359,106,842.14/811,655.00 - Step 6: Final answer
x = 488,334.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.