Home / 764,491.58-1,054,935.62-450,113.46

Finding the Fourth Proportional to 764,491.58, 1,054,935.62 and 450,113.46

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Solution

The fourth proportional to 764,491.58, 1,054,935.62 and 450,113.46 is: 621,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,491.58 : 1,054,935.62 = 450,113.46 : x
  2. Step 2: Convert to fraction form
    764,491.58/1,054,935.62 = 450,113.46/x
  3. Step 3: Cross multiply
    764,491.58x = 1,054,935.62 × 450,113.46
  4. Step 4: Simplify right side
    764,491.58x = 474,840,721,995.45
  5. Step 5: Solve for x
    x = 474,840,721,995.45/764,491.58
  6. Step 6: Final answer
    x = 621,119.62

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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.