Finding the Fourth Proportional to 797,785.74, 1,101,189.93 and 491,958.09
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Solution
The fourth proportional to 797,785.74, 1,101,189.93 and 491,958.09 is: 679,053.62
Step by Step Solution
- Step 1: Write the proportion equation
797,785.74 : 1,101,189.93 = 491,958.09 : x - Step 2: Convert to fraction form
797,785.74/1,101,189.93 = 491,958.09/x - Step 3: Cross multiply
797,785.74x = 1,101,189.93 × 491,958.09 - Step 4: Simplify right side
797,785.74x = 541,739,294,690.03 - Step 5: Solve for x
x = 541,739,294,690.03/797,785.74 - Step 6: Final answer
x = 679,053.62
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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.