Home / 764,493.58-1,054,938.38-450,115.46

Finding the Fourth Proportional to 764,493.58, 1,054,938.38 and 450,115.46

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Solution

The fourth proportional to 764,493.58, 1,054,938.38 and 450,115.46 is: 621,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,493.58 : 1,054,938.38 = 450,115.46 : x
  2. Step 2: Convert to fraction form
    764,493.58/1,054,938.38 = 450,115.46/x
  3. Step 3: Cross multiply
    764,493.58x = 1,054,938.38 × 450,115.46
  4. Step 4: Simplify right side
    764,493.58x = 474,844,074,185.36
  5. Step 5: Solve for x
    x = 474,844,074,185.36/764,493.58
  6. Step 6: Final answer
    x = 621,122.38

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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.