Home / 631,009.75-946,516.20-251,961.34

Finding the Fourth Proportional to 631,009.75, 946,516.20 and 251,961.34

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Solution

The fourth proportional to 631,009.75, 946,516.20 and 251,961.34 is: 377,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,009.75 : 946,516.20 = 251,961.34 : x
  2. Step 2: Convert to fraction form
    631,009.75/946,516.20 = 251,961.34/x
  3. Step 3: Cross multiply
    631,009.75x = 946,516.20 × 251,961.34
  4. Step 4: Simplify right side
    631,009.75x = 238,485,488,823.90
  5. Step 5: Solve for x
    x = 238,485,488,823.90/631,009.75
  6. Step 6: Final answer
    x = 377,942.64

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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.