Home / 979,794.40-1,469,549.04-305,718.88

Finding the Fourth Proportional to 979,794.40, 1,469,549.04 and 305,718.88

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Solution

The fourth proportional to 979,794.40, 1,469,549.04 and 305,718.88 is: 458,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,794.40 : 1,469,549.04 = 305,718.88 : x
  2. Step 2: Convert to fraction form
    979,794.40/1,469,549.04 = 305,718.88/x
  3. Step 3: Cross multiply
    979,794.40x = 1,469,549.04 × 305,718.88
  4. Step 4: Simplify right side
    979,794.40x = 449,268,881,793.56
  5. Step 5: Solve for x
    x = 449,268,881,793.56/979,794.40
  6. Step 6: Final answer
    x = 458,533.83

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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.