Home / 744,320.90-1,027,161.06-404,789.42

Finding the Fourth Proportional to 744,320.90, 1,027,161.06 and 404,789.42

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Solution

The fourth proportional to 744,320.90, 1,027,161.06 and 404,789.42 is: 558,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,320.90 : 1,027,161.06 = 404,789.42 : x
  2. Step 2: Convert to fraction form
    744,320.90/1,027,161.06 = 404,789.42/x
  3. Step 3: Cross multiply
    744,320.90x = 1,027,161.06 × 404,789.42
  4. Step 4: Simplify right side
    744,320.90x = 415,783,929,723.99
  5. Step 5: Solve for x
    x = 415,783,929,723.99/744,320.90
  6. Step 6: Final answer
    x = 558,608.43

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1.5x scale

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.