Finding the Fourth Proportional to 998,455.20, 1,497,682.80 and 367,615.05
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Solution
The fourth proportional to 998,455.20, 1,497,682.80 and 367,615.05 is: 551,422.58
Step by Step Solution
- Step 1: Write the proportion equation
998,455.20 : 1,497,682.80 = 367,615.05 : x - Step 2: Convert to fraction form
998,455.20/1,497,682.80 = 367,615.05/x - Step 3: Cross multiply
998,455.20x = 1,497,682.80 × 367,615.05 - Step 4: Simplify right side
998,455.20x = 550,570,737,406.14 - Step 5: Solve for x
x = 550,570,737,406.14/998,455.20 - Step 6: Final answer
x = 551,422.58
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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.