Home / 888,387.25-1,226,003.66-485,979.25

Finding the Fourth Proportional to 888,387.25, 1,226,003.66 and 485,979.25

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Solution

The fourth proportional to 888,387.25, 1,226,003.66 and 485,979.25 is: 670,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,387.25 : 1,226,003.66 = 485,979.25 : x
  2. Step 2: Convert to fraction form
    888,387.25/1,226,003.66 = 485,979.25/x
  3. Step 3: Cross multiply
    888,387.25x = 1,226,003.66 × 485,979.25
  4. Step 4: Simplify right side
    888,387.25x = 595,812,336,754.16
  5. Step 5: Solve for x
    x = 595,812,336,754.16/888,387.25
  6. Step 6: Final answer
    x = 670,667.37

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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.