Home / 979,816.23-1,469,346.48-380,698.52

Finding the Fourth Proportional to 979,816.23, 1,469,346.48 and 380,698.52

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Solution

The fourth proportional to 979,816.23, 1,469,346.48 and 380,698.52 is: 570,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,816.23 : 1,469,346.48 = 380,698.52 : x
  2. Step 2: Convert to fraction form
    979,816.23/1,469,346.48 = 380,698.52/x
  3. Step 3: Cross multiply
    979,816.23x = 1,469,346.48 × 380,698.52
  4. Step 4: Simplify right side
    979,816.23x = 559,378,022,956.48
  5. Step 5: Solve for x
    x = 559,378,022,956.48/979,816.23
  6. Step 6: Final answer
    x = 570,900.96

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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.