Home / 888,920.78-1,226,713.90-481,022.60

Finding the Fourth Proportional to 888,920.78, 1,226,713.90 and 481,022.60

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Solution

The fourth proportional to 888,920.78, 1,226,713.90 and 481,022.60 is: 663,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,920.78 : 1,226,713.90 = 481,022.60 : x
  2. Step 2: Convert to fraction form
    888,920.78/1,226,713.90 = 481,022.60/x
  3. Step 3: Cross multiply
    888,920.78x = 1,226,713.90 × 481,022.60
  4. Step 4: Simplify right side
    888,920.78x = 590,077,109,634.14
  5. Step 5: Solve for x
    x = 590,077,109,634.14/888,920.78
  6. Step 6: Final answer
    x = 663,812.93

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1.5x scale

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.