Home / 979,833.30-1,469,177.88-380,093.64

Finding the Fourth Proportional to 979,833.30, 1,469,177.88 and 380,093.64

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Solution

The fourth proportional to 979,833.30, 1,469,177.88 and 380,093.64 is: 569,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,833.30 : 1,469,177.88 = 380,093.64 : x
  2. Step 2: Convert to fraction form
    979,833.30/1,469,177.88 = 380,093.64/x
  3. Step 3: Cross multiply
    979,833.30x = 1,469,177.88 × 380,093.64
  4. Step 4: Simplify right side
    979,833.30x = 558,425,168,216.68
  5. Step 5: Solve for x
    x = 558,425,168,216.68/979,833.30
  6. Step 6: Final answer
    x = 569,918.54

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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.