Home / 764,455.27-1,146,689.84-231,976.32

Finding the Fourth Proportional to 764,455.27, 1,146,689.84 and 231,976.32

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Solution

The fourth proportional to 764,455.27, 1,146,689.84 and 231,976.32 is: 347,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,455.27 : 1,146,689.84 = 231,976.32 : x
  2. Step 2: Convert to fraction form
    764,455.27/1,146,689.84 = 231,976.32/x
  3. Step 3: Cross multiply
    764,455.27x = 1,146,689.84 × 231,976.32
  4. Step 4: Simplify right side
    764,455.27x = 266,004,888,104.71
  5. Step 5: Solve for x
    x = 266,004,888,104.71/764,455.27
  6. Step 6: Final answer
    x = 347,966.58

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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.