Home / 925,855.85-1,388,495.53-326,676.62

Finding the Fourth Proportional to 925,855.85, 1,388,495.53 and 326,676.62

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Solution

The fourth proportional to 925,855.85, 1,388,495.53 and 326,676.62 is: 489,913.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,855.85 : 1,388,495.53 = 326,676.62 : x
  2. Step 2: Convert to fraction form
    925,855.85/1,388,495.53 = 326,676.62/x
  3. Step 3: Cross multiply
    925,855.85x = 1,388,495.53 × 326,676.62
  4. Step 4: Simplify right side
    925,855.85x = 453,589,028,380.34
  5. Step 5: Solve for x
    x = 453,589,028,380.34/925,855.85
  6. Step 6: Final answer
    x = 489,913.23

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1.5x scale

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.