Home / 901,410.84-1,244,789.88-579,679.64

Finding the Fourth Proportional to 901,410.84, 1,244,789.88 and 579,679.64

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Solution

The fourth proportional to 901,410.84, 1,244,789.88 and 579,679.64 is: 800,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,410.84 : 1,244,789.88 = 579,679.64 : x
  2. Step 2: Convert to fraction form
    901,410.84/1,244,789.88 = 579,679.64/x
  3. Step 3: Cross multiply
    901,410.84x = 1,244,789.88 × 579,679.64
  4. Step 4: Simplify right side
    901,410.84x = 721,579,349,514.04
  5. Step 5: Solve for x
    x = 721,579,349,514.04/901,410.84
  6. Step 6: Final answer
    x = 800,499.97

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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.