Home / 888,857.25-1,333,301.67-289,816.08

Finding the Fourth Proportional to 888,857.25, 1,333,301.67 and 289,816.08

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Solution

The fourth proportional to 888,857.25, 1,333,301.67 and 289,816.08 is: 434,729.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,857.25 : 1,333,301.67 = 289,816.08 : x
  2. Step 2: Convert to fraction form
    888,857.25/1,333,301.67 = 289,816.08/x
  3. Step 3: Cross multiply
    888,857.25x = 1,333,301.67 × 289,816.08
  4. Step 4: Simplify right side
    888,857.25x = 386,412,263,456.85
  5. Step 5: Solve for x
    x = 386,412,263,456.85/888,857.25
  6. Step 6: Final answer
    x = 434,729.27

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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.