Home / 950,002.78-1,311,004.30-520,309.94

Finding the Fourth Proportional to 950,002.78, 1,311,004.30 and 520,309.94

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Solution

The fourth proportional to 950,002.78, 1,311,004.30 and 520,309.94 is: 718,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,002.78 : 1,311,004.30 = 520,309.94 : x
  2. Step 2: Convert to fraction form
    950,002.78/1,311,004.30 = 520,309.94/x
  3. Step 3: Cross multiply
    950,002.78x = 1,311,004.30 × 520,309.94
  4. Step 4: Simplify right side
    950,002.78x = 682,128,568,672.74
  5. Step 5: Solve for x
    x = 682,128,568,672.74/950,002.78
  6. Step 6: Final answer
    x = 718,027.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.