Home / 946,936.20-1,420,404.30-628,071.60

Finding the Fourth Proportional to 946,936.20, 1,420,404.30 and 628,071.60

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Solution

The fourth proportional to 946,936.20, 1,420,404.30 and 628,071.60 is: 942,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,936.20 : 1,420,404.30 = 628,071.60 : x
  2. Step 2: Convert to fraction form
    946,936.20/1,420,404.30 = 628,071.60/x
  3. Step 3: Cross multiply
    946,936.20x = 1,420,404.30 × 628,071.60
  4. Step 4: Simplify right side
    946,936.20x = 892,115,601,347.88
  5. Step 5: Solve for x
    x = 892,115,601,347.88/946,936.20
  6. Step 6: Final answer
    x = 942,107.40

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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.