Home / 764,474.81-1,054,912.45-450,096.68

Finding the Fourth Proportional to 764,474.81, 1,054,912.45 and 450,096.68

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Solution

The fourth proportional to 764,474.81, 1,054,912.45 and 450,096.68 is: 621,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,474.81 : 1,054,912.45 = 450,096.68 : x
  2. Step 2: Convert to fraction form
    764,474.81/1,054,912.45 = 450,096.68/x
  3. Step 3: Cross multiply
    764,474.81x = 1,054,912.45 × 450,096.68
  4. Step 4: Simplify right side
    764,474.81x = 474,812,589,526.07
  5. Step 5: Solve for x
    x = 474,812,589,526.07/764,474.81
  6. Step 6: Final answer
    x = 621,096.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.