Home / 764,600.12-1,146,183.84-258,807.16

Finding the Fourth Proportional to 764,600.12, 1,146,183.84 and 258,807.16

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Solution

The fourth proportional to 764,600.12, 1,146,183.84 and 258,807.16 is: 387,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,600.12 : 1,146,183.84 = 258,807.16 : x
  2. Step 2: Convert to fraction form
    764,600.12/1,146,183.84 = 258,807.16/x
  3. Step 3: Cross multiply
    764,600.12x = 1,146,183.84 × 258,807.16
  4. Step 4: Simplify right side
    764,600.12x = 296,640,584,468.29
  5. Step 5: Solve for x
    x = 296,640,584,468.29/764,600.12
  6. Step 6: Final answer
    x = 387,968.27

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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.