Home / 999,910.13-1,500,021.61-325,834.97

Finding the Fourth Proportional to 999,910.13, 1,500,021.61 and 325,834.97

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Solution

The fourth proportional to 999,910.13, 1,500,021.61 and 325,834.97 is: 488,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,910.13 : 1,500,021.61 = 325,834.97 : x
  2. Step 2: Convert to fraction form
    999,910.13/1,500,021.61 = 325,834.97/x
  3. Step 3: Cross multiply
    999,910.13x = 1,500,021.61 × 325,834.97
  4. Step 4: Simplify right side
    999,910.13x = 488,759,487,979.01
  5. Step 5: Solve for x
    x = 488,759,487,979.01/999,910.13
  6. Step 6: Final answer
    x = 488,803.42

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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.