Home / 764,022.80-1,145,742.60-231,366.80

Finding the Fourth Proportional to 764,022.80, 1,145,742.60 and 231,366.80

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Solution

The fourth proportional to 764,022.80, 1,145,742.60 and 231,366.80 is: 346,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,022.80 : 1,145,742.60 = 231,366.80 : x
  2. Step 2: Convert to fraction form
    764,022.80/1,145,742.60 = 231,366.80/x
  3. Step 3: Cross multiply
    764,022.80x = 1,145,742.60 × 231,366.80
  4. Step 4: Simplify right side
    764,022.80x = 265,086,798,985.68
  5. Step 5: Solve for x
    x = 265,086,798,985.68/764,022.80
  6. Step 6: Final answer
    x = 346,961.90

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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.