Finding the Fourth Proportional to 998,946.92, 1,498,170.96 and 391,858.62
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Solution
The fourth proportional to 998,946.92, 1,498,170.96 and 391,858.62 is: 587,690.09
Step by Step Solution
- Step 1: Write the proportion equation
998,946.92 : 1,498,170.96 = 391,858.62 : x - Step 2: Convert to fraction form
998,946.92/1,498,170.96 = 391,858.62/x - Step 3: Cross multiply
998,946.92x = 1,498,170.96 × 391,858.62 - Step 4: Simplify right side
998,946.92x = 587,071,204,909.68 - Step 5: Solve for x
x = 587,071,204,909.68/998,946.92 - Step 6: Final answer
x = 587,690.09
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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.