Home / 484,986.36-669,558.78-324,113.88

Finding the Fourth Proportional to 484,986.36, 669,558.78 and 324,113.88

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Solution

The fourth proportional to 484,986.36, 669,558.78 and 324,113.88 is: 447,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,986.36 : 669,558.78 = 324,113.88 : x
  2. Step 2: Convert to fraction form
    484,986.36/669,558.78 = 324,113.88/x
  3. Step 3: Cross multiply
    484,986.36x = 669,558.78 × 324,113.88
  4. Step 4: Simplify right side
    484,986.36x = 217,013,294,073.87
  5. Step 5: Solve for x
    x = 217,013,294,073.87/484,986.36
  6. Step 6: Final answer
    x = 447,462.68

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1.5x scale

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.