Home / 743,789.56-1,026,386.20-404,254.84

Finding the Fourth Proportional to 743,789.56, 1,026,386.20 and 404,254.84

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Solution

The fourth proportional to 743,789.56, 1,026,386.20 and 404,254.84 is: 557,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,789.56 : 1,026,386.20 = 404,254.84 : x
  2. Step 2: Convert to fraction form
    743,789.56/1,026,386.20 = 404,254.84/x
  3. Step 3: Cross multiply
    743,789.56x = 1,026,386.20 × 404,254.84
  4. Step 4: Simplify right side
    743,789.56x = 414,921,589,059.21
  5. Step 5: Solve for x
    x = 414,921,589,059.21/743,789.56
  6. Step 6: Final answer
    x = 557,848.09

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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.