Finding the Fourth Proportional to 634,842.62, 876,081.56 and 344,454.09
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Solution
The fourth proportional to 634,842.62, 876,081.56 and 344,454.09 is: 475,345.96
Step by Step Solution
- Step 1: Write the proportion equation
634,842.62 : 876,081.56 = 344,454.09 : x - Step 2: Convert to fraction form
634,842.62/876,081.56 = 344,454.09/x - Step 3: Cross multiply
634,842.62x = 876,081.56 × 344,454.09 - Step 4: Simplify right side
634,842.62x = 301,769,876,515.58 - Step 5: Solve for x
x = 301,769,876,515.58/634,842.62 - Step 6: Final answer
x = 475,345.96
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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.