Finding the Fourth Proportional to 998,540.80, 1,497,811.20 and 367,475.20
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Solution
The fourth proportional to 998,540.80, 1,497,811.20 and 367,475.20 is: 551,212.80
Step by Step Solution
- Step 1: Write the proportion equation
998,540.80 : 1,497,811.20 = 367,475.20 : x - Step 2: Convert to fraction form
998,540.80/1,497,811.20 = 367,475.20/x - Step 3: Cross multiply
998,540.80x = 1,497,811.20 × 367,475.20 - Step 4: Simplify right side
998,540.80x = 550,408,470,282.24 - Step 5: Solve for x
x = 550,408,470,282.24/998,540.80 - Step 6: Final answer
x = 551,212.80
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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.