Home / 839,882.28-1,259,077.39-327,429.30

Finding the Fourth Proportional to 839,882.28, 1,259,077.39 and 327,429.30

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Solution

The fourth proportional to 839,882.28, 1,259,077.39 and 327,429.30 is: 490,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,882.28 : 1,259,077.39 = 327,429.30 : x
  2. Step 2: Convert to fraction form
    839,882.28/1,259,077.39 = 327,429.30/x
  3. Step 3: Cross multiply
    839,882.28x = 1,259,077.39 × 327,429.30
  4. Step 4: Simplify right side
    839,882.28x = 412,258,828,453.53
  5. Step 5: Solve for x
    x = 412,258,828,453.53/839,882.28
  6. Step 6: Final answer
    x = 490,853.11

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1.5x scale

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.