Home / 445,290.50-666,902.39-441,971.73

Finding the Fourth Proportional to 445,290.50, 666,902.39 and 441,971.73

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Solution

The fourth proportional to 445,290.50, 666,902.39 and 441,971.73 is: 661,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,290.50 : 666,902.39 = 441,971.73 : x
  2. Step 2: Convert to fraction form
    445,290.50/666,902.39 = 441,971.73/x
  3. Step 3: Cross multiply
    445,290.50x = 666,902.39 × 441,971.73
  4. Step 4: Simplify right side
    445,290.50x = 294,752,000,839.58
  5. Step 5: Solve for x
    x = 294,752,000,839.58/445,290.50
  6. Step 6: Final answer
    x = 661,931.94

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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.