Home / 759,519.46-1,139,839.91-360,161.56

Finding the Fourth Proportional to 759,519.46, 1,139,839.91 and 360,161.56

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Solution

The fourth proportional to 759,519.46, 1,139,839.91 and 360,161.56 is: 540,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,519.46 : 1,139,839.91 = 360,161.56 : x
  2. Step 2: Convert to fraction form
    759,519.46/1,139,839.91 = 360,161.56/x
  3. Step 3: Cross multiply
    759,519.46x = 1,139,839.91 × 360,161.56
  4. Step 4: Simplify right side
    759,519.46x = 410,526,520,135.86
  5. Step 5: Solve for x
    x = 410,526,520,135.86/759,519.46
  6. Step 6: Final answer
    x = 540,508.23

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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.