Home / 789,644.41-1,184,419.85-221,012.90

Finding the Fourth Proportional to 789,644.41, 1,184,419.85 and 221,012.90

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Solution

The fourth proportional to 789,644.41, 1,184,419.85 and 221,012.90 is: 331,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,644.41 : 1,184,419.85 = 221,012.90 : x
  2. Step 2: Convert to fraction form
    789,644.41/1,184,419.85 = 221,012.90/x
  3. Step 3: Cross multiply
    789,644.41x = 1,184,419.85 × 221,012.90
  4. Step 4: Simplify right side
    789,644.41x = 261,772,072,118.44
  5. Step 5: Solve for x
    x = 261,772,072,118.44/789,644.41
  6. Step 6: Final answer
    x = 331,506.27

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Double scale
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Similar ratio
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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.