Home / 969,405.17-1,454,106.60-259,414.72

Finding the Fourth Proportional to 969,405.17, 1,454,106.60 and 259,414.72

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Solution

The fourth proportional to 969,405.17, 1,454,106.60 and 259,414.72 is: 389,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,405.17 : 1,454,106.60 = 259,414.72 : x
  2. Step 2: Convert to fraction form
    969,405.17/1,454,106.60 = 259,414.72/x
  3. Step 3: Cross multiply
    969,405.17x = 1,454,106.60 × 259,414.72
  4. Step 4: Simplify right side
    969,405.17x = 377,216,652,853.89
  5. Step 5: Solve for x
    x = 377,216,652,853.89/969,405.17
  6. Step 6: Final answer
    x = 389,121.77

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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.