Finding the Fourth Proportional to 511,789.13, 706,040.78 and 296,804.60
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Solution
The fourth proportional to 511,789.13, 706,040.78 and 296,804.60 is: 409,457.99
Step by Step Solution
- Step 1: Write the proportion equation
511,789.13 : 706,040.78 = 296,804.60 : x - Step 2: Convert to fraction form
511,789.13/706,040.78 = 296,804.60/x - Step 3: Cross multiply
511,789.13x = 706,040.78 × 296,804.60 - Step 4: Simplify right side
511,789.13x = 209,556,146,277.36 - Step 5: Solve for x
x = 209,556,146,277.36/511,789.13 - Step 6: Final answer
x = 409,457.99
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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.