Home / 695,015.65-959,109.33-384,911.79

Finding the Fourth Proportional to 695,015.65, 959,109.33 and 384,911.79

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Solution

The fourth proportional to 695,015.65, 959,109.33 and 384,911.79 is: 531,171.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,015.65 : 959,109.33 = 384,911.79 : x
  2. Step 2: Convert to fraction form
    695,015.65/959,109.33 = 384,911.79/x
  3. Step 3: Cross multiply
    695,015.65x = 959,109.33 × 384,911.79
  4. Step 4: Simplify right side
    695,015.65x = 369,172,489,016.00
  5. Step 5: Solve for x
    x = 369,172,489,016.00/695,015.65
  6. Step 6: Final answer
    x = 531,171.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.