Home / 892,845.60-1,339,114.80-331,591.20

Finding the Fourth Proportional to 892,845.60, 1,339,114.80 and 331,591.20

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Solution

The fourth proportional to 892,845.60, 1,339,114.80 and 331,591.20 is: 497,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,845.60 : 1,339,114.80 = 331,591.20 : x
  2. Step 2: Convert to fraction form
    892,845.60/1,339,114.80 = 331,591.20/x
  3. Step 3: Cross multiply
    892,845.60x = 1,339,114.80 × 331,591.20
  4. Step 4: Simplify right side
    892,845.60x = 444,038,683,469.76
  5. Step 5: Solve for x
    x = 444,038,683,469.76/892,845.60
  6. Step 6: Final answer
    x = 497,329.75

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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.