Home / 743,789.88-1,026,431.46-404,257.32

Finding the Fourth Proportional to 743,789.88, 1,026,431.46 and 404,257.32

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Solution

The fourth proportional to 743,789.88, 1,026,431.46 and 404,257.32 is: 557,875.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,789.88 : 1,026,431.46 = 404,257.32 : x
  2. Step 2: Convert to fraction form
    743,789.88/1,026,431.46 = 404,257.32/x
  3. Step 3: Cross multiply
    743,789.88x = 1,026,431.46 × 404,257.32
  4. Step 4: Simplify right side
    743,789.88x = 414,942,431,183.29
  5. Step 5: Solve for x
    x = 414,942,431,183.29/743,789.88
  6. Step 6: Final answer
    x = 557,875.88

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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.