Home / 829,027.91-1,244,112.92-289,287.25

Finding the Fourth Proportional to 829,027.91, 1,244,112.92 and 289,287.25

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Solution

The fourth proportional to 829,027.91, 1,244,112.92 and 289,287.25 is: 434,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,027.91 : 1,244,112.92 = 289,287.25 : x
  2. Step 2: Convert to fraction form
    829,027.91/1,244,112.92 = 289,287.25/x
  3. Step 3: Cross multiply
    829,027.91x = 1,244,112.92 × 289,287.25
  4. Step 4: Simplify right side
    829,027.91x = 359,906,001,844.38
  5. Step 5: Solve for x
    x = 359,906,001,844.38/829,027.91
  6. Step 6: Final answer
    x = 434,130.14

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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.