Home / 901,410.80-1,244,789.92-579,679.68

Finding the Fourth Proportional to 901,410.80, 1,244,789.92 and 579,679.68

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Solution

The fourth proportional to 901,410.80, 1,244,789.92 and 579,679.68 is: 800,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,410.80 : 1,244,789.92 = 579,679.68 : x
  2. Step 2: Convert to fraction form
    901,410.80/1,244,789.92 = 579,679.68/x
  3. Step 3: Cross multiply
    901,410.80x = 1,244,789.92 × 579,679.68
  4. Step 4: Simplify right side
    901,410.80x = 721,579,422,492.83
  5. Step 5: Solve for x
    x = 721,579,422,492.83/901,410.80
  6. Step 6: Final answer
    x = 800,500.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.