Home / 842,642.46-1,263,706.62-443,066.46

Finding the Fourth Proportional to 842,642.46, 1,263,706.62 and 443,066.46

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Solution

The fourth proportional to 842,642.46, 1,263,706.62 and 443,066.46 is: 664,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,642.46 : 1,263,706.62 = 443,066.46 : x
  2. Step 2: Convert to fraction form
    842,642.46/1,263,706.62 = 443,066.46/x
  3. Step 3: Cross multiply
    842,642.46x = 1,263,706.62 × 443,066.46
  4. Step 4: Simplify right side
    842,642.46x = 559,906,018,601.97
  5. Step 5: Solve for x
    x = 559,906,018,601.97/842,642.46
  6. Step 6: Final answer
    x = 664,464.52

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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.