Home / 733,820.20-1,100,730.30-313,138.60

Finding the Fourth Proportional to 733,820.20, 1,100,730.30 and 313,138.60

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Solution

The fourth proportional to 733,820.20, 1,100,730.30 and 313,138.60 is: 469,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,820.20 : 1,100,730.30 = 313,138.60 : x
  2. Step 2: Convert to fraction form
    733,820.20/1,100,730.30 = 313,138.60/x
  3. Step 3: Cross multiply
    733,820.20x = 1,100,730.30 × 313,138.60
  4. Step 4: Simplify right side
    733,820.20x = 344,681,145,119.58
  5. Step 5: Solve for x
    x = 344,681,145,119.58/733,820.20
  6. Step 6: Final answer
    x = 469,707.90

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1.5x scale

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.