Home / 687,792.06-1,031,217.48-350,179.38

Finding the Fourth Proportional to 687,792.06, 1,031,217.48 and 350,179.38

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Solution

The fourth proportional to 687,792.06, 1,031,217.48 and 350,179.38 is: 525,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,792.06 : 1,031,217.48 = 350,179.38 : x
  2. Step 2: Convert to fraction form
    687,792.06/1,031,217.48 = 350,179.38/x
  3. Step 3: Cross multiply
    687,792.06x = 1,031,217.48 × 350,179.38
  4. Step 4: Simplify right side
    687,792.06x = 361,111,097,791.56
  5. Step 5: Solve for x
    x = 361,111,097,791.56/687,792.06
  6. Step 6: Final answer
    x = 525,029.47

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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.