Home / 439,630.74-659,540.88-229,212.18

Finding the Fourth Proportional to 439,630.74, 659,540.88 and 229,212.18

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Solution

The fourth proportional to 439,630.74, 659,540.88 and 229,212.18 is: 343,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,630.74 : 659,540.88 = 229,212.18 : x
  2. Step 2: Convert to fraction form
    439,630.74/659,540.88 = 229,212.18/x
  3. Step 3: Cross multiply
    439,630.74x = 659,540.88 × 229,212.18
  4. Step 4: Simplify right side
    439,630.74x = 151,174,802,903.92
  5. Step 5: Solve for x
    x = 151,174,802,903.92/439,630.74
  6. Step 6: Final answer
    x = 343,867.68

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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.