Home / 965,311.38-1,448,155.80-291,447.54

Finding the Fourth Proportional to 965,311.38, 1,448,155.80 and 291,447.54

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Solution

The fourth proportional to 965,311.38, 1,448,155.80 and 291,447.54 is: 437,228.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,311.38 : 1,448,155.80 = 291,447.54 : x
  2. Step 2: Convert to fraction form
    965,311.38/1,448,155.80 = 291,447.54/x
  3. Step 3: Cross multiply
    965,311.38x = 1,448,155.80 × 291,447.54
  4. Step 4: Simplify right side
    965,311.38x = 422,061,445,446.73
  5. Step 5: Solve for x
    x = 422,061,445,446.73/965,311.38
  6. Step 6: Final answer
    x = 437,228.29

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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.