Home / 631,011.75-946,519.20-251,963.34

Finding the Fourth Proportional to 631,011.75, 946,519.20 and 251,963.34

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Solution

The fourth proportional to 631,011.75, 946,519.20 and 251,963.34 is: 377,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,011.75 : 946,519.20 = 251,963.34 : x
  2. Step 2: Convert to fraction form
    631,011.75/946,519.20 = 251,963.34/x
  3. Step 3: Cross multiply
    631,011.75x = 946,519.20 × 251,963.34
  4. Step 4: Simplify right side
    631,011.75x = 238,488,139,006.13
  5. Step 5: Solve for x
    x = 238,488,139,006.13/631,011.75
  6. Step 6: Final answer
    x = 377,945.64

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Double scale
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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.