Home / 631,118.85-946,955.69-331,529.82

Finding the Fourth Proportional to 631,118.85, 946,955.69 and 331,529.82

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Solution

The fourth proportional to 631,118.85, 946,955.69 and 331,529.82 is: 497,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,118.85 : 946,955.69 = 331,529.82 : x
  2. Step 2: Convert to fraction form
    631,118.85/946,955.69 = 331,529.82/x
  3. Step 3: Cross multiply
    631,118.85x = 946,955.69 × 331,529.82
  4. Step 4: Simplify right side
    631,118.85x = 313,944,049,453.68
  5. Step 5: Solve for x
    x = 313,944,049,453.68/631,118.85
  6. Step 6: Final answer
    x = 497,440.46

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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.