Home / 864,865.58-1,297,422.41-265,876.97

Finding the Fourth Proportional to 864,865.58, 1,297,422.41 and 265,876.97

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Solution

The fourth proportional to 864,865.58, 1,297,422.41 and 265,876.97 is: 398,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,865.58 : 1,297,422.41 = 265,876.97 : x
  2. Step 2: Convert to fraction form
    864,865.58/1,297,422.41 = 265,876.97/x
  3. Step 3: Cross multiply
    864,865.58x = 1,297,422.41 × 265,876.97
  4. Step 4: Simplify right side
    864,865.58x = 344,954,731,364.40
  5. Step 5: Solve for x
    x = 344,954,731,364.40/864,865.58
  6. Step 6: Final answer
    x = 398,853.58

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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.