Home / 639,273.06-958,660.29-239,696.10

Finding the Fourth Proportional to 639,273.06, 958,660.29 and 239,696.10

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Solution

The fourth proportional to 639,273.06, 958,660.29 and 239,696.10 is: 359,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,273.06 : 958,660.29 = 239,696.10 : x
  2. Step 2: Convert to fraction form
    639,273.06/958,660.29 = 239,696.10/x
  3. Step 3: Cross multiply
    639,273.06x = 958,660.29 × 239,696.10
  4. Step 4: Simplify right side
    639,273.06x = 229,787,132,737.87
  5. Step 5: Solve for x
    x = 229,787,132,737.87/639,273.06
  6. Step 6: Final answer
    x = 359,450.67

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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.