Home / 950,126.79-1,311,175.15-520,422.30

Finding the Fourth Proportional to 950,126.79, 1,311,175.15 and 520,422.30

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Solution

The fourth proportional to 950,126.79, 1,311,175.15 and 520,422.30 is: 718,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,126.79 : 1,311,175.15 = 520,422.30 : x
  2. Step 2: Convert to fraction form
    950,126.79/1,311,175.15 = 520,422.30/x
  3. Step 3: Cross multiply
    950,126.79x = 1,311,175.15 × 520,422.30
  4. Step 4: Simplify right side
    950,126.79x = 682,364,787,265.85
  5. Step 5: Solve for x
    x = 682,364,787,265.85/950,126.79
  6. Step 6: Final answer
    x = 718,182.87

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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.