Home / 864,865.60-1,297,422.40-265,876.98

Finding the Fourth Proportional to 864,865.60, 1,297,422.40 and 265,876.98

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Solution

The fourth proportional to 864,865.60, 1,297,422.40 and 265,876.98 is: 398,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,865.60 : 1,297,422.40 = 265,876.98 : x
  2. Step 2: Convert to fraction form
    864,865.60/1,297,422.40 = 265,876.98/x
  3. Step 3: Cross multiply
    864,865.60x = 1,297,422.40 × 265,876.98
  4. Step 4: Simplify right side
    864,865.60x = 344,954,749,496.35
  5. Step 5: Solve for x
    x = 344,954,749,496.35/864,865.60
  6. Step 6: Final answer
    x = 398,853.59

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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.