Home / 979,832.30-1,469,176.38-380,092.64

Finding the Fourth Proportional to 979,832.30, 1,469,176.38 and 380,092.64

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Solution

The fourth proportional to 979,832.30, 1,469,176.38 and 380,092.64 is: 569,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,832.30 : 1,469,176.38 = 380,092.64 : x
  2. Step 2: Convert to fraction form
    979,832.30/1,469,176.38 = 380,092.64/x
  3. Step 3: Cross multiply
    979,832.30x = 1,469,176.38 × 380,092.64
  4. Step 4: Simplify right side
    979,832.30x = 558,423,121,553.96
  5. Step 5: Solve for x
    x = 558,423,121,553.96/979,832.30
  6. Step 6: Final answer
    x = 569,917.04

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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.