Home / 478,835.76-660,797.82-263,983.44

Finding the Fourth Proportional to 478,835.76, 660,797.82 and 263,983.44

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Solution

The fourth proportional to 478,835.76, 660,797.82 and 263,983.44 is: 364,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,835.76 : 660,797.82 = 263,983.44 : x
  2. Step 2: Convert to fraction form
    478,835.76/660,797.82 = 263,983.44/x
  3. Step 3: Cross multiply
    478,835.76x = 660,797.82 × 263,983.44
  4. Step 4: Simplify right side
    478,835.76x = 174,439,681,668.10
  5. Step 5: Solve for x
    x = 174,439,681,668.10/478,835.76
  6. Step 6: Final answer
    x = 364,299.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.