Home / 764,226.24-1,145,896.54-314,439.01

Finding the Fourth Proportional to 764,226.24, 1,145,896.54 and 314,439.01

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Solution

The fourth proportional to 764,226.24, 1,145,896.54 and 314,439.01 is: 471,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,226.24 : 1,145,896.54 = 314,439.01 : x
  2. Step 2: Convert to fraction form
    764,226.24/1,145,896.54 = 314,439.01/x
  3. Step 3: Cross multiply
    764,226.24x = 1,145,896.54 × 314,439.01
  4. Step 4: Simplify right side
    764,226.24x = 360,314,573,600.03
  5. Step 5: Solve for x
    x = 360,314,573,600.03/764,226.24
  6. Step 6: Final answer
    x = 471,476.32

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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.