Finding the Fourth Proportional to 797,783.74, 1,101,187.17 and 491,956.09
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Solution
The fourth proportional to 797,783.74, 1,101,187.17 and 491,956.09 is: 679,050.86
Step by Step Solution
- Step 1: Write the proportion equation
797,783.74 : 1,101,187.17 = 491,956.09 : x - Step 2: Convert to fraction form
797,783.74/1,101,187.17 = 491,956.09/x - Step 3: Cross multiply
797,783.74x = 1,101,187.17 × 491,956.09 - Step 4: Simplify right side
797,783.74x = 541,735,731,758.40 - Step 5: Solve for x
x = 541,735,731,758.40/797,783.74 - Step 6: Final answer
x = 679,050.86
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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.