Home / 391,738.96-587,514.12-249,370.72

Finding the Fourth Proportional to 391,738.96, 587,514.12 and 249,370.72

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Solution

The fourth proportional to 391,738.96, 587,514.12 and 249,370.72 is: 373,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,738.96 : 587,514.12 = 249,370.72 : x
  2. Step 2: Convert to fraction form
    391,738.96/587,514.12 = 249,370.72/x
  3. Step 3: Cross multiply
    391,738.96x = 587,514.12 × 249,370.72
  4. Step 4: Simplify right side
    391,738.96x = 146,508,819,114.57
  5. Step 5: Solve for x
    x = 146,508,819,114.57/391,738.96
  6. Step 6: Final answer
    x = 373,996.04

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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.