Home / 888,952.45-1,333,640.89-289,914.19

Finding the Fourth Proportional to 888,952.45, 1,333,640.89 and 289,914.19

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Solution

The fourth proportional to 888,952.45, 1,333,640.89 and 289,914.19 is: 434,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,952.45 : 1,333,640.89 = 289,914.19 : x
  2. Step 2: Convert to fraction form
    888,952.45/1,333,640.89 = 289,914.19/x
  3. Step 3: Cross multiply
    888,952.45x = 1,333,640.89 × 289,914.19
  4. Step 4: Simplify right side
    888,952.45x = 386,641,414,078.50
  5. Step 5: Solve for x
    x = 386,641,414,078.50/888,952.45
  6. Step 6: Final answer
    x = 434,940.49

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1.5x scale

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.