Home / 888,387.75-1,226,004.35-485,979.75

Finding the Fourth Proportional to 888,387.75, 1,226,004.35 and 485,979.75

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Solution

The fourth proportional to 888,387.75, 1,226,004.35 and 485,979.75 is: 670,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,387.75 : 1,226,004.35 = 485,979.75 : x
  2. Step 2: Convert to fraction form
    888,387.75/1,226,004.35 = 485,979.75/x
  3. Step 3: Cross multiply
    888,387.75x = 1,226,004.35 × 485,979.75
  4. Step 4: Simplify right side
    888,387.75x = 595,813,287,511.91
  5. Step 5: Solve for x
    x = 595,813,287,511.91/888,387.75
  6. Step 6: Final answer
    x = 670,668.06

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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.