Home / 744,429.80-1,027,262.58-404,890.76

Finding the Fourth Proportional to 744,429.80, 1,027,262.58 and 404,890.76

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Solution

The fourth proportional to 744,429.80, 1,027,262.58 and 404,890.76 is: 558,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,429.80 : 1,027,262.58 = 404,890.76 : x
  2. Step 2: Convert to fraction form
    744,429.80/1,027,262.58 = 404,890.76/x
  3. Step 3: Cross multiply
    744,429.80x = 1,027,262.58 × 404,890.76
  4. Step 4: Simplify right side
    744,429.80x = 415,929,126,735.76
  5. Step 5: Solve for x
    x = 415,929,126,735.76/744,429.80
  6. Step 6: Final answer
    x = 558,721.76

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Double scale
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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.