Home / 396,810.12-547,281.20-260,983.44

Finding the Fourth Proportional to 396,810.12, 547,281.20 and 260,983.44

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Solution

The fourth proportional to 396,810.12, 547,281.20 and 260,983.44 is: 359,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,810.12 : 547,281.20 = 260,983.44 : x
  2. Step 2: Convert to fraction form
    396,810.12/547,281.20 = 260,983.44/x
  3. Step 3: Cross multiply
    396,810.12x = 547,281.20 × 260,983.44
  4. Step 4: Simplify right side
    396,810.12x = 142,831,330,223.33
  5. Step 5: Solve for x
    x = 142,831,330,223.33/396,810.12
  6. Step 6: Final answer
    x = 359,948.81

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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.