Home / 631,029.54-945,982.98-231,578.88

Finding the Fourth Proportional to 631,029.54, 945,982.98 and 231,578.88

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Solution

The fourth proportional to 631,029.54, 945,982.98 and 231,578.88 is: 347,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,029.54 : 945,982.98 = 231,578.88 : x
  2. Step 2: Convert to fraction form
    631,029.54/945,982.98 = 231,578.88/x
  3. Step 3: Cross multiply
    631,029.54x = 945,982.98 × 231,578.88
  4. Step 4: Simplify right side
    631,029.54x = 219,069,679,007.46
  5. Step 5: Solve for x
    x = 219,069,679,007.46/631,029.54
  6. Step 6: Final answer
    x = 347,162.32

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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.