Home / 439,609.20-658,636.20-377,401.20

Finding the Fourth Proportional to 439,609.20, 658,636.20 and 377,401.20

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Solution

The fourth proportional to 439,609.20, 658,636.20 and 377,401.20 is: 565,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,609.20 : 658,636.20 = 377,401.20 : x
  2. Step 2: Convert to fraction form
    439,609.20/658,636.20 = 377,401.20/x
  3. Step 3: Cross multiply
    439,609.20x = 658,636.20 × 377,401.20
  4. Step 4: Simplify right side
    439,609.20x = 248,570,092,243.44
  5. Step 5: Solve for x
    x = 248,570,092,243.44/439,609.20
  6. Step 6: Final answer
    x = 565,434.24

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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.