Home / 494,620.85-741,432.83-194,985.45

Finding the Fourth Proportional to 494,620.85, 741,432.83 and 194,985.45

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Solution

The fourth proportional to 494,620.85, 741,432.83 and 194,985.45 is: 292,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,620.85 : 741,432.83 = 194,985.45 : x
  2. Step 2: Convert to fraction form
    494,620.85/741,432.83 = 194,985.45/x
  3. Step 3: Cross multiply
    494,620.85x = 741,432.83 × 194,985.45
  4. Step 4: Simplify right side
    494,620.85x = 144,568,613,027.40
  5. Step 5: Solve for x
    x = 144,568,613,027.40/494,620.85
  6. Step 6: Final answer
    x = 292,281.68

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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.