Home / 324,004.20-486,524.70-219,287.40

Finding the Fourth Proportional to 324,004.20, 486,524.70 and 219,287.40

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Solution

The fourth proportional to 324,004.20, 486,524.70 and 219,287.40 is: 329,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,004.20 : 486,524.70 = 219,287.40 : x
  2. Step 2: Convert to fraction form
    324,004.20/486,524.70 = 219,287.40/x
  3. Step 3: Cross multiply
    324,004.20x = 486,524.70 × 219,287.40
  4. Step 4: Simplify right side
    324,004.20x = 106,688,736,498.78
  5. Step 5: Solve for x
    x = 106,688,736,498.78/324,004.20
  6. Step 6: Final answer
    x = 329,281.96

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1.5x scale

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.