Home / 979,833.41-1,469,178.06-380,093.76

Finding the Fourth Proportional to 979,833.41, 1,469,178.06 and 380,093.76

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Solution

The fourth proportional to 979,833.41, 1,469,178.06 and 380,093.76 is: 569,918.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,833.41 : 1,469,178.06 = 380,093.76 : x
  2. Step 2: Convert to fraction form
    979,833.41/1,469,178.06 = 380,093.76/x
  3. Step 3: Cross multiply
    979,833.41x = 1,469,178.06 × 380,093.76
  4. Step 4: Simplify right side
    979,833.41x = 558,425,412,934.91
  5. Step 5: Solve for x
    x = 558,425,412,934.91/979,833.41
  6. Step 6: Final answer
    x = 569,918.73

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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.