Home / 950,031.22-1,311,007.80-520,314.88

Finding the Fourth Proportional to 950,031.22, 1,311,007.80 and 520,314.88

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Solution

The fourth proportional to 950,031.22, 1,311,007.80 and 520,314.88 is: 718,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,031.22 : 1,311,007.80 = 520,314.88 : x
  2. Step 2: Convert to fraction form
    950,031.22/1,311,007.80 = 520,314.88/x
  3. Step 3: Cross multiply
    950,031.22x = 1,311,007.80 × 520,314.88
  4. Step 4: Simplify right side
    950,031.22x = 682,136,866,136.06
  5. Step 5: Solve for x
    x = 682,136,866,136.06/950,031.22
  6. Step 6: Final answer
    x = 718,015.21

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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.