Home / 864,380.88-1,296,774.98-295,768.17

Finding the Fourth Proportional to 864,380.88, 1,296,774.98 and 295,768.17

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Solution

The fourth proportional to 864,380.88, 1,296,774.98 and 295,768.17 is: 443,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,380.88 : 1,296,774.98 = 295,768.17 : x
  2. Step 2: Convert to fraction form
    864,380.88/1,296,774.98 = 295,768.17/x
  3. Step 3: Cross multiply
    864,380.88x = 1,296,774.98 × 295,768.17
  4. Step 4: Simplify right side
    864,380.88x = 383,544,761,257.55
  5. Step 5: Solve for x
    x = 383,544,761,257.55/864,380.88
  6. Step 6: Final answer
    x = 443,721.94

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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.