Home / 720,055.55-1,080,079.41-293,589.71

Finding the Fourth Proportional to 720,055.55, 1,080,079.41 and 293,589.71

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Solution

The fourth proportional to 720,055.55, 1,080,079.41 and 293,589.71 is: 440,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,055.55 : 1,080,079.41 = 293,589.71 : x
  2. Step 2: Convert to fraction form
    720,055.55/1,080,079.41 = 293,589.71/x
  3. Step 3: Cross multiply
    720,055.55x = 1,080,079.41 × 293,589.71
  4. Step 4: Simplify right side
    720,055.55x = 317,100,195,358.47
  5. Step 5: Solve for x
    x = 317,100,195,358.47/720,055.55
  6. Step 6: Final answer
    x = 440,382.96

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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.