Home / 748,791.81-1,122,044.79-444,586.92

Finding the Fourth Proportional to 748,791.81, 1,122,044.79 and 444,586.92

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Solution

The fourth proportional to 748,791.81, 1,122,044.79 and 444,586.92 is: 666,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,791.81 : 1,122,044.79 = 444,586.92 : x
  2. Step 2: Convert to fraction form
    748,791.81/1,122,044.79 = 444,586.92/x
  3. Step 3: Cross multiply
    748,791.81x = 1,122,044.79 × 444,586.92
  4. Step 4: Simplify right side
    748,791.81x = 498,846,435,065.21
  5. Step 5: Solve for x
    x = 498,846,435,065.21/748,791.81
  6. Step 6: Final answer
    x = 666,201.78

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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.