Home / 874,408.44-1,311,268.74-424,997.64

Finding the Fourth Proportional to 874,408.44, 1,311,268.74 and 424,997.64

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Solution

The fourth proportional to 874,408.44, 1,311,268.74 and 424,997.64 is: 637,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,408.44 : 1,311,268.74 = 424,997.64 : x
  2. Step 2: Convert to fraction form
    874,408.44/1,311,268.74 = 424,997.64/x
  3. Step 3: Cross multiply
    874,408.44x = 1,311,268.74 × 424,997.64
  4. Step 4: Simplify right side
    874,408.44x = 557,286,119,905.77
  5. Step 5: Solve for x
    x = 557,286,119,905.77/874,408.44
  6. Step 6: Final answer
    x = 637,329.30

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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.