Home / 720,605.04-1,080,540.33-240,660.20

Finding the Fourth Proportional to 720,605.04, 1,080,540.33 and 240,660.20

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Solution

The fourth proportional to 720,605.04, 1,080,540.33 and 240,660.20 is: 360,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,605.04 : 1,080,540.33 = 240,660.20 : x
  2. Step 2: Convert to fraction form
    720,605.04/1,080,540.33 = 240,660.20/x
  3. Step 3: Cross multiply
    720,605.04x = 1,080,540.33 × 240,660.20
  4. Step 4: Simplify right side
    720,605.04x = 260,043,046,523.16
  5. Step 5: Solve for x
    x = 260,043,046,523.16/720,605.04
  6. Step 6: Final answer
    x = 360,867.65

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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.