Home / 888,979.07-1,333,333.26-289,939.27

Finding the Fourth Proportional to 888,979.07, 1,333,333.26 and 289,939.27

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Solution

The fourth proportional to 888,979.07, 1,333,333.26 and 289,939.27 is: 434,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,979.07 : 1,333,333.26 = 289,939.27 : x
  2. Step 2: Convert to fraction form
    888,979.07/1,333,333.26 = 289,939.27/x
  3. Step 3: Cross multiply
    888,979.07x = 1,333,333.26 × 289,939.27
  4. Step 4: Simplify right side
    888,979.07x = 386,585,672,071.12
  5. Step 5: Solve for x
    x = 386,585,672,071.12/888,979.07
  6. Step 6: Final answer
    x = 434,864.76

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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.