Home / 720,002.75-1,080,179.10-221,366.75

Finding the Fourth Proportional to 720,002.75, 1,080,179.10 and 221,366.75

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Solution

The fourth proportional to 720,002.75, 1,080,179.10 and 221,366.75 is: 332,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,002.75 : 1,080,179.10 = 221,366.75 : x
  2. Step 2: Convert to fraction form
    720,002.75/1,080,179.10 = 221,366.75/x
  3. Step 3: Cross multiply
    720,002.75x = 1,080,179.10 × 221,366.75
  4. Step 4: Simplify right side
    720,002.75x = 239,115,736,784.93
  5. Step 5: Solve for x
    x = 239,115,736,784.93/720,002.75
  6. Step 6: Final answer
    x = 332,103.92

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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.