Home / 626,634.20-939,732.60-327,015.20

Finding the Fourth Proportional to 626,634.20, 939,732.60 and 327,015.20

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Solution

The fourth proportional to 626,634.20, 939,732.60 and 327,015.20 is: 490,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,634.20 : 939,732.60 = 327,015.20 : x
  2. Step 2: Convert to fraction form
    626,634.20/939,732.60 = 327,015.20/x
  3. Step 3: Cross multiply
    626,634.20x = 939,732.60 × 327,015.20
  4. Step 4: Simplify right side
    626,634.20x = 307,306,844,135.52
  5. Step 5: Solve for x
    x = 307,306,844,135.52/626,634.20
  6. Step 6: Final answer
    x = 490,408.67

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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.