Home / 324,822.80-487,234.20-306,800.40

Finding the Fourth Proportional to 324,822.80, 487,234.20 and 306,800.40

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Solution

The fourth proportional to 324,822.80, 487,234.20 and 306,800.40 is: 460,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,822.80 : 487,234.20 = 306,800.40 : x
  2. Step 2: Convert to fraction form
    324,822.80/487,234.20 = 306,800.40/x
  3. Step 3: Cross multiply
    324,822.80x = 487,234.20 × 306,800.40
  4. Step 4: Simplify right side
    324,822.80x = 149,483,647,453.68
  5. Step 5: Solve for x
    x = 149,483,647,453.68/324,822.80
  6. Step 6: Final answer
    x = 460,200.60

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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.