Home / 756,015.24-1,134,469.36-276,200.40

Finding the Fourth Proportional to 756,015.24, 1,134,469.36 and 276,200.40

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Solution

The fourth proportional to 756,015.24, 1,134,469.36 and 276,200.40 is: 414,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,015.24 : 1,134,469.36 = 276,200.40 : x
  2. Step 2: Convert to fraction form
    756,015.24/1,134,469.36 = 276,200.40/x
  3. Step 3: Cross multiply
    756,015.24x = 1,134,469.36 × 276,200.40
  4. Step 4: Simplify right side
    756,015.24x = 313,340,891,019.74
  5. Step 5: Solve for x
    x = 313,340,891,019.74/756,015.24
  6. Step 6: Final answer
    x = 414,463.72

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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.