Home / 875,198.46-1,312,797.91-276,206.50

Finding the Fourth Proportional to 875,198.46, 1,312,797.91 and 276,206.50

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Solution

The fourth proportional to 875,198.46, 1,312,797.91 and 276,206.50 is: 414,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,198.46 : 1,312,797.91 = 276,206.50 : x
  2. Step 2: Convert to fraction form
    875,198.46/1,312,797.91 = 276,206.50/x
  3. Step 3: Cross multiply
    875,198.46x = 1,312,797.91 × 276,206.50
  4. Step 4: Simplify right side
    875,198.46x = 362,603,313,336.94
  5. Step 5: Solve for x
    x = 362,603,313,336.94/875,198.46
  6. Step 6: Final answer
    x = 414,309.82

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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.