Home / 419,961.46-628,844.10-230,026.72

Finding the Fourth Proportional to 419,961.46, 628,844.10 and 230,026.72

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Solution

The fourth proportional to 419,961.46, 628,844.10 and 230,026.72 is: 344,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,961.46 : 628,844.10 = 230,026.72 : x
  2. Step 2: Convert to fraction form
    419,961.46/628,844.10 = 230,026.72/x
  3. Step 3: Cross multiply
    419,961.46x = 628,844.10 × 230,026.72
  4. Step 4: Simplify right side
    419,961.46x = 144,650,945,714.35
  5. Step 5: Solve for x
    x = 144,650,945,714.35/419,961.46
  6. Step 6: Final answer
    x = 344,438.62

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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.