Home / 764,452.40-1,146,808.20-231,969.20

Finding the Fourth Proportional to 764,452.40, 1,146,808.20 and 231,969.20

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Solution

The fourth proportional to 764,452.40, 1,146,808.20 and 231,969.20 is: 347,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,452.40 : 1,146,808.20 = 231,969.20 : x
  2. Step 2: Convert to fraction form
    764,452.40/1,146,808.20 = 231,969.20/x
  3. Step 3: Cross multiply
    764,452.40x = 1,146,808.20 × 231,969.20
  4. Step 4: Simplify right side
    764,452.40x = 266,024,180,707.44
  5. Step 5: Solve for x
    x = 266,024,180,707.44/764,452.40
  6. Step 6: Final answer
    x = 347,993.13

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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.