Home / 631,221.45-945,793.35-364,516.80

Finding the Fourth Proportional to 631,221.45, 945,793.35 and 364,516.80

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Solution

The fourth proportional to 631,221.45, 945,793.35 and 364,516.80 is: 546,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,221.45 : 945,793.35 = 364,516.80 : x
  2. Step 2: Convert to fraction form
    631,221.45/945,793.35 = 364,516.80/x
  3. Step 3: Cross multiply
    631,221.45x = 945,793.35 × 364,516.80
  4. Step 4: Simplify right side
    631,221.45x = 344,757,565,403.28
  5. Step 5: Solve for x
    x = 344,757,565,403.28/631,221.45
  6. Step 6: Final answer
    x = 546,175.30

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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.