Home / 742,794.39-1,113,764.31-396,150.26

Finding the Fourth Proportional to 742,794.39, 1,113,764.31 and 396,150.26

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Solution

The fourth proportional to 742,794.39, 1,113,764.31 and 396,150.26 is: 593,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,794.39 : 1,113,764.31 = 396,150.26 : x
  2. Step 2: Convert to fraction form
    742,794.39/1,113,764.31 = 396,150.26/x
  3. Step 3: Cross multiply
    742,794.39x = 1,113,764.31 × 396,150.26
  4. Step 4: Simplify right side
    742,794.39x = 441,218,015,416.40
  5. Step 5: Solve for x
    x = 441,218,015,416.40/742,794.39
  6. Step 6: Final answer
    x = 593,997.51

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.