Home / 705,469.10-1,057,897.46-256,040.60

Finding the Fourth Proportional to 705,469.10, 1,057,897.46 and 256,040.60

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Solution

The fourth proportional to 705,469.10, 1,057,897.46 and 256,040.60 is: 383,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,469.10 : 1,057,897.46 = 256,040.60 : x
  2. Step 2: Convert to fraction form
    705,469.10/1,057,897.46 = 256,040.60/x
  3. Step 3: Cross multiply
    705,469.10x = 1,057,897.46 × 256,040.60
  4. Step 4: Simplify right side
    705,469.10x = 270,864,700,396.88
  5. Step 5: Solve for x
    x = 270,864,700,396.88/705,469.10
  6. Step 6: Final answer
    x = 383,949.77

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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.