Home / 396,826.34-547,303.50-260,999.73

Finding the Fourth Proportional to 396,826.34, 547,303.50 and 260,999.73

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Solution

The fourth proportional to 396,826.34, 547,303.50 and 260,999.73 is: 359,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,826.34 : 547,303.50 = 260,999.73 : x
  2. Step 2: Convert to fraction form
    396,826.34/547,303.50 = 260,999.73/x
  3. Step 3: Cross multiply
    396,826.34x = 547,303.50 × 260,999.73
  4. Step 4: Simplify right side
    396,826.34x = 142,846,065,728.06
  5. Step 5: Solve for x
    x = 142,846,065,728.06/396,826.34
  6. Step 6: Final answer
    x = 359,971.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.