Home / 979,870.92-1,469,793.30-474,477.12

Finding the Fourth Proportional to 979,870.92, 1,469,793.30 and 474,477.12

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Solution

The fourth proportional to 979,870.92, 1,469,793.30 and 474,477.12 is: 711,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,870.92 : 1,469,793.30 = 474,477.12 : x
  2. Step 2: Convert to fraction form
    979,870.92/1,469,793.30 = 474,477.12/x
  3. Step 3: Cross multiply
    979,870.92x = 1,469,793.30 × 474,477.12
  4. Step 4: Simplify right side
    979,870.92x = 697,383,291,979.30
  5. Step 5: Solve for x
    x = 697,383,291,979.30/979,870.92
  6. Step 6: Final answer
    x = 711,709.35

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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.