Home / 950,027.22-1,311,002.28-520,310.88

Finding the Fourth Proportional to 950,027.22, 1,311,002.28 and 520,310.88

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Solution

The fourth proportional to 950,027.22, 1,311,002.28 and 520,310.88 is: 718,009.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,027.22 : 1,311,002.28 = 520,310.88 : x
  2. Step 2: Convert to fraction form
    950,027.22/1,311,002.28 = 520,310.88/x
  3. Step 3: Cross multiply
    950,027.22x = 1,311,002.28 × 520,310.88
  4. Step 4: Simplify right side
    950,027.22x = 682,128,749,988.81
  5. Step 5: Solve for x
    x = 682,128,749,988.81/950,027.22
  6. Step 6: Final answer
    x = 718,009.69

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1.5x scale

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.